ARO 3 Velocity (2021) - Snowmobile Timbersled - Free user manual and instructions
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| Product Type | Snowmobile Conversion Kit (Snow Bike) |
| Model | ARO 3 Velocity (2021) |
| Overall Length (pivot to bumper) | 72 in (182.9 cm) |
| Estimated Dry Weight - Front | 16 lb (7.25 kg) |
| Estimated Dry Weight - Rear | 121 lb (54.9 kg) |
| Track Dimensions (Width x Length x Height) | 11.5 in x 129 in x 3 in (Traverse Track) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Front Track Shock | Walker Evans Velocity (spring preload and clicker adjustable) |
| Rear Track Shock | Walker Evans Velocity (spring preload and clicker adjustable) |
| Disc Brake Type | Wilwood Hydraulic Dual Piston |
| Drive Chain | 520 X-Ring 70 Link (master link) |
| Chain Case Chain | 520 X-Ring 52 Link (continuous) |
| Track Drive Sprocket | 6 tooth / 2.86 pitch |
| Power Source | Host motorcycle engine (not included) |
| Fuel Storage (Accessory) | 3.5 gal (13.2 L) optional |
| Maintenance Intervals | See owner's manual: 150 mi (240 km), 500 mi (800 km), 1000 mi (1600 km) |
| Safety Features | Hydraulic brakes, warning labels, avalanche awareness guidelines |
| Spare Parts Availability | Timbersled-approved parts; contact authorized dealer |
| Warranty | 12 months limited warranty on materials and workmanship |
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USER MANUAL ARO 3 Velocity (2021) Timbersled
For Maintenance and Safety
OWNER'S MANUAL
Timbersled SX 120
Timbersled RIOT
Timbersled ARO

WARNING
Read, understand, and follow all of the instructions and safety precautions in this manual and on all product labels.
Failure to follow the safety precautions could result in serious injury or death.

WARNING
Cancer and Reproductive Harm www.P65Warnings.ca.gov/passenger-vehicle.

For videos and more information about a safe riding experience with your Polaris vehicle, scan this QR Code® with your smartphone.
POLARIS
Timbersled
2021 Owner's Manual
120 SX
ARO 129
ARO 129 S
ARO 129 LE
ARO 129 LE
ARO 129 S VELOCITY
ARO 137
ARO 137 LE
Timbersled RIOT 120
Timbersled RIOT 120 LE
Timbersled RIOT 120 S LE
Timbersled RIOT 120 VELOCITY
Unless noted, trademarks are the property of Polaris Industries Inc.
QR Codes® is a registered trademark of DENSO WAVE INCORPORATED.
EK® is a copyright trademark of Enuma Chain Mfg. Co., Ltd.
3M® is a registered trademark of 3M Company.
Wilwood® is a registered trademark of Wilwood Engineering.
FOX® is a registered trademark of Fox Factory Inc.
Copyright 2020 Polaris Industries Inc. All information contained within this publication is based on the latest product information at the time of publication. Due to constant improvements in the design and quality of production components, some minor discrepancies may result between the actual vehicle and the information presented in this publication. Depictions and/or procedures in this publication are intended for reference use only. No liability can be accepted for omissions or inaccuracies. Any reprinting or reuse of the depictions and/or procedures contained within, whether whole or in part, is expressly prohibited.
The original instructions for this vehicle are in English. Other languages are provided as translations of the original instructions.
Printed in U.S.A.
9931501 Rev 01

Thank you for purchasing a POLARIS vehicle, and welcome to our world-wide family of POLARIS enthusiasts. Be sure to visit us online at www.polaris.com for the latest news, new product introductions, upcoming events, career opportunities and more.
Here at POLARIS we proudly produce an exciting line of utility and recreational products. We believe POLARIS sets a standard of excellence for all utility and recreational vehicles manufactured in the world today. Many years of experience have gone into the engineering, design, and development of your POLARIS vehicle, making it the finest machine we've ever produced.
For safe and enjoyable operation of your vehicle, be sure to follow the instructions and recommendations in this owner's manual. Your manual contains instructions for minor maintenance, but information about major repairs is outlined in the POLARIS Service Manual and can be performed by a factory certified Master Service Dealer (MSD) technician.
Your POLARIS dealer knows your vehicle best and is interested in your total satisfaction. Your POLARIS dealership can perform all of your service needs during and after the warranty period.
For the most up-to-date owner's manual visit https://www.polaris.com/en-us/owners-manuals.
The following signal words and symbols appear throughout this manual and on your vehicle. Your safety is involved when these words and symbols are used. Become familiar with their meanings before reading the manual.

DANGER
DANGER indicates a hazardous situation which, if not avoided, WILL result in death or serious injury.

WARNING
WARNING indicates a hazardous situation which, if not avoided, COULD result in death or serious injury.

CAUTION
CAUTION indicates a hazardous situation which, if not avoided, COULD result in minor to moderate injury.
NOTICE
NOTICE provides key information by clarifying instructions.
IMPORTANT
IMPORTANT provides key reminders during disassembly, assembly, and inspection of components.
The Prohibition Safety Sign indicates an action NOT to take in order to avoid a hazard.

The Mandatory Action Sign indicates an action that NEEDS to be taken to avoid a hazard.

Introduction 7
Safety. 9
Features 27
The Perfect Fit . . . . . . . . . . . . . . . . . . . . 31
Pre-Ride Inspection 49
Operation 53
Maintenance 57
Specification 85
Warranty 105
Maintenance Log 111
INTRODUCTION
IMPORTANT NOTES FOR OWNERS AND DRIVERS
After reading this manual, store it with the snow bike for convenient reference. should remain with the vehicle when it is sold.
Some of the illustrations and photos used in this manual are general representations. Your model may differ.
Follow the maintenance program outlined in this manual. Preventive maintenance ensures that critical components of the snow bike are inspected at specific mileage intervals. This service can be performed by your authorized Timbersled dealer.
You and your dealer must complete the registration form included with your vehicle and forward it to us. This form should be completed at the dealership upon purchase, and is necessary to ensure warranty coverage.
Protect and preserve your right to ride by joining your local trail riding clubs.
When teaching inexperienced operators to ride, set up a predetermined course for practice. Make sure they know how to drive and control the vehicle before allowing them to make longer trips. Teach them proper riding courtesy, and enroll them in driver's training and safety courses sponsored by local or state organizations.
PRESERVATION OF THE ENVIRONMENT
Timbersled is committed to supporting an environmental education campaign. We encourage state and provincial governments across the snowbelt to adopt rigorous safety training programs that encourage protection of our environment, including wildlife and vegetation.
Clubs and other organizations are working together to protect our environment. Please support their efforts and operate your snow bike with consideration for the protection and preservation of our environment.
INSTALLATION
See your local Timbersled dealer for installation instructions and accessory attachments.
VEHICLE IDENTIFICATION NUMBERS
Whenever corresponding about a Timbersled, be sure to refer to the vehicle identification number (VIN) and the serial number. The VIN and serial number decal ① can be found on the top of the chassis. Record your Timbersled's serial number in the spaces provided.
NOTICE
If installing an aftermarket tunnel wrap, do not cover the tunnel serial number with the wrap. If the tunnel wrap doesn't provide an opening for the label, remove the section of wrap where the label is located.

① Serial Number
SERIAL NUMBER:
SAFETY
OPERATOR SAFETY
Follow the recommended maintenance program on page 57 to ensure that all critical components on the snow bike are thoroughly inspected at specific intervals outlined in the Periodic Maintenance Chart. Your dealer can perform this service.
WARNING
Driving a snow bike requires your full attention. DO NOT drink alcohol or us drugs or medications before or while driving. They will reduce your alertness and slow your reaction time.
Snow bikes are capable of traveling at high speeds. Use extra caution to ensure operator safety. Make sure your snow bike is in excellent operating condition at all times. Always check major and vital safety components before every ride.
All Timbersled snow bikes are designed and tested to provide safe operation when used as directed. Failure of critical machine components may result from operation with any modifications, especially those that increase speed or power. DO NOT MODIFY YOUR MACHINE. The snow bike may become aerodynamically unstable at speeds higher than those for which it is designed. Loss of control may occur at higher speeds. Modifications may also create a safety hazard and lead to bodily injury.
HOST BIKE
The Timbersled Snow Bike system is designed to be attached to a variety of host bikes.
WARNING
Read and understand your host bike's operation manual and follow all safety and maintenance information. Failure to do so could result in serious injury of death.
STAY CLEAR OF TRACK
Your snow bike is propelled by a revolving track that must be partially expose for proper operation.

WARNING
Serious injuries may result if hands, feet, or clothing become entangled in the track. Be alert when riding, and remain properly seated to stay clear of the track. Never hold the snow bike up or stand behind it while warming up the track. A loose track or flying debris could cause serious injury or death. We recommend having your dealer perform all track service and alignment procedures.
RIDING POSITION
Operating a Timbersled requires skill and balance for proper control. Rider positions may vary with experience and the features available on some models, but under many conditions the proper position is to be seated with both hands on the handlebar grips for proper throttle, brake, and steering control. See your host bike's owners manual for proper riding position.

WARNING
Improper riding position may reduce control and could result in serious injury or death. Always ride in a position that allows for control of your vehicle.
RIDER CAPACITY
This Timbersled is designed for a single rider only. Never carry a passenger on this vehicle.
RIDING APPAREL
SAFE RIDING GEAR
Always wear helmet, eye protection, gloves, long sleeve shirt, long pants, over-the-ankle boots and seat belt (if equipped) at all times. Protective gear reduces the chance of injury.
① Helmet
② Eye Protection
③ Long Sleeves
④ Gloves
⑤ Long Pants
⑥ Over-the-Ankle Boots

HELMET
Wearing a helmet can prevent a severe head injury. Whenever riding a Timbersled vehicle, always wear a helmet that meets or exceeds established safety standards. Clasp the buckle and pull each strap tight to ensure the helm is properly secured to the head.
Approved helmets in the USA and Canada bear a Department of Transportation (DOT) label.

Approved helmets in Europe, Asia and Oceania bear the ECE 22.05 label. The ECE mark consists of a circle surrounding the letter E, followed by the distinguishing number of the country which has granted approval. The approval number and serial number will also be displayed on the label.

EYE PROTECTION
Do not depend on eyeglasses or sunglasses for eye protection. Whenever ridir a Timbersled vehicle, always wear shatterproof goggles or use a shatterproof helmet face shield. Timbersled recommends wearing approved Personal Protective Equipment (PPE) bearing markings such as VESC 8, V-8, Z87.1, or CE. Make sure protective eye wear is kept clean.
CLOTHING
Be prepared, be warm and be comfortable when riding. Be aware of the weat forecast, especially the windchill, and dress accordingly. See page 23.

WARNING
Avoid wearing loose clothing or long scarves, which can become entangled in moving parts and cause serious injury. Always wear an approved helmet and eye protection.
SURVIVAL PREPARATION
For your safety, always ride in a group. Always tell someone where you're going and how long you expect to be gone. If it isn't possible to ride with others, and you must travel into remote areas, always carry survival equipment that's appropriate to the conditions you may encounter. Such equipment may include, but is not limited to: extra clothing, a sleeping bag, a flashlight, food and water, signaling mirror, a means of building a fire, and a two-way radio or cellular telephone.
Always carry the owner's manual on your snow bike. For added protection, purchase and carry the following items on your snow bike as well:
- Extra Set of Spark Plugs
- Tow Rope
- Extra Oil
- Fuel Deicer
-
Winter Survival Kit
-
Spare Drive Chain
- Spare Chain Case Chain (if equipped)
- Trail Map
- First Aid Kit
- Tool Kit
EXCESSIVE SPEED

WARNING
High speed driving, especially at night, could result in serious injury or death. Always reduce speed when driving at night or in inclement weather.
Always observe all state and local laws governing snow bike operation and speed limits. Always be alert and pay attention to the trail ahead. If your speed 40 MPH (64 km/h), your snow bike is traveling about 60 feet (18 m) per second. If you look back for only two seconds, your snow bike will travel about 120 feet (36 m). If your speed is 60 MPH (96 km/h), your snow bike will travel about 18 feet (55 m) in two seconds.
Traveling at night requires extra caution. If your host bike is equipped with a headlight, check headlight and taillight to ensure proper operation, and don't over-drive your headlight beam. Always be able to bring your snow bike to a stop in the distance illuminated by the headlight.
HIDDEN OBSTRUCTIONS
Always be aware of surroundings and terrain when riding your snow bike. Hazardous obstructions may be hidden beneath the snow. Striking a hidden obstacle could cause loss of control of your vehicle and lead to serious injury death. Remain on established trails whenever possible to reduce exposure to hazards. Changes in snow condition can greatly increase the likelihood of impact from objects hidden beneath the snow. Take care when riding in light, fluffy snow as it can easily conceal hazards from view and your snow bike wi ride lower in the snow. Early- and late-season riding also increases risk of hitting objects when snow is fresh or starting to melt. Reduce speed and use extra caution whenever riding in these conditions.
DRIVER AWARENESS
Slow down when traveling near poles, posts, or other obstacles. Be especially alert if you're snow biking after dark. Always be on the alert for wire fences. Single strands are especially dangerous, since there may be a great distance between posts. Guy wires on utility poles are also difficult to distinguish.
Make sure the way is clear before crossing railroads and other roads and highways. The noise of your snow bike will drown out the sound of approaching vehicles. Look ahead, behind, and to both sides before turning or crossing railroad tracks or highways. Steep embankments may also hide your view. Always leave yourself a way out.
Variances in snow depth and/or water currents may result in uneven ice thickness. You may drown if you break through the ice. Never travel on frozen bodies of water unless you have first verified that the ice is sufficiently thick to support the weight and moving force of the snow bike, you and your cargo, together with any other vehicles in your party. Always check with local authority and residents to confirm ice conditions and thickness over your entire route. Operators assume all risk associated with ice conditions on frozen bodies of water.
When teaching inexperienced operators to ride, set up a predetermined course for practice. Make sure they know how to drive and control the snow bike bef allowing them to make longer trips. Teach them proper snow bike courtesy, an enroll them in driver's training and safety courses.
DISABLED OPERATORS
Safe operation of this rider-active vehicle requires good judgement and physical skills. Operators with cognitive or physical disabilities have an increased risk of loss of control, which could result in serious injury or death.
MOUNTAINOUS TERRAIN RIDING
Mountainous terrain operation, even for experienced riders, can present conditions and situations that could result in serious injury or death. Please review all of the information about riding in mountainous terrain on the following pages of this manual.

WARNING
An avalanche can occur at any time, in any conditions and on any slope.
The avalanche information provided in this manual should be considered basic information and is not intended to replace your participation in an avalanche safety training course. After reviewing the avalanche information in this manual, be sure to participate in an avalanche safety training course before riding in mountainous terrain. The training course will provide more information as well as the opportunity to practice riding and using proper search and recovery techniques.
For more information, education, training courses, and links to international resources, visit www.avalanche.org or scan the QR Code® with your smartphone or other device. See page 17.
GET THE SAFETY GEAR
In addition to carrying a spare chain, spark plugs and tools on each snow bike, each person in your riding group should wear the recommended snow bike riding apparel and carry (on their person) the following survival items when riding in mountainous terrain:
- A digital avalanche beacon with new "fresh" alkaline batteries
• An avalanche probe
• A compact shovel and hand saw - A backpack (preferably an avalanche air bag backpack)
-
Emergency provisions, including the following items:
-
Small first aid kit
- Extra pair of gloves
- Extra dry socks
- Tow rope, map, compass/GPS
– Lighter or waterproof matches - Signal mirror and whistle
- Bottled water
– High calorie snack food - Compact emergency blanket
- Cell phone
- Radio

GET TO KNOW YOUR SAFETY GEAR
Following the safety gear and apparel recommendations will increase your chances of survival if you encounter an avalanche or become stranded in the backcountry, but even experienced and properly-equipped snow bikers, hikers and skiers perish in avalanches or succumb to hypothermia. Using a beacon probe for the first time during an avalanche recovery operation, or not knowing how to deploy your avalanche air bag backpack during a slide, should be considered UNACCEPTABLE to you and all members of your riding group. It's critical that you and all members of your riding group know how to use the gear.
While you may know how to use your gear, you may have to rely on riding group to find you in an avalanche. Make sure they know how their gear.
- Dress in layers. Multiple layers of clothing provide the best barrier to cold air wind. Layers can be removed, but if you start out without enough layers, they cannot be added later. Avoid cotton materials, which will freeze if they get
- Wear highly visible gear.
- Try on all gear and equipment to make sure it fits and doesn't interfere with your riding capabilities. Place all survival aids in your backpack and wear the backpack at all times. Non-essential items can be stored on the snow bike an accessory bag.
- Read and follow the manufacturer's user and maintenance instructions for all gear. If you have questions about how your gear works, contact the manufacturer for more information.
- Practice using your beacons, shovels and probes with your riding group in real-world conditions wearing all of your gear. Have someone hide an active “transmitting” beacon by throwing it (not walking it) into a snowbank and timing your group’s search for it.
- Test deploying your gear. If you own an avalanche air bag backpack, check with the manufacturer's test deployment guidelines and bottle weight replacement specifications. Most air bag backpack manufacturers recommend testing the pack once a year so you know it works and feel comfortable with the bag and deployment time.
- Make sure your probe and shovel are in good condition and that you know how to assemble them.
GET THE PICTURE
Slopes steeper than 30° are more prone to avalanches, but any slope should considered avalanche terrain, even small slopes with trees. Low-angle slopes are also avalanche terrain if they have steeper slopes above them.
NOTICE
The 30° slope graphic is for illustration purposes only. The risk of an avalanche is always present in mountainous terrain, regardless of slope angle
Always look for the following warning signs of unstable snow. If you see or hear any of these signs, riding on or below any slope is dangerous and should be avoided:
- Recent avalanches
- A "whumpfing" sound under a snowpack
- Cracks across the top of a snowpack
• A recent heavy snowfall - Blowing snow
- Rain
- Rapid warming

GET OUT OF HARM'S WAY
- Before riding, always tell a responsible person (i.e. at the lodge or gas station) where your group is going.
- Never ride alone. Always ride in a small, manageable group. Riding in a large group makes it more difficult to track riders or find missing members.
- Go “one at a time”. Only one snow bike at a time should cross, ascend or highmark a slope. Other riders should watch from a safe location until the previous rider exits the slope.
- Never park at the base of a slope or at the bottom of a gully or valley. When parking to take a break or watch other riders, park at the sides of the slope with the front of your snow bike pointed away from the slope.
GET TO KNOW YOUR SNOW BIKE
Because Timbersled snow bikes feature tall track paddles, the rear suspension rails and sliders will sit above the snowpack on a groomed trail. Always deploy the scratchers and limit high speed operation when trail riding.
Always practice riding your snow bike in a safe, open, flat area before attempting your first ride in mountainous terrain. This is especially important for low-elevation riders who are not accustomed to riding a snow bike designed for deep snow.
Do not ride in mountainous terrain until you are comfortable riding and controlling your snow bike in deep snow.
- Practice turning, leaning and braking, both on the trail and off the trail. When you're comfortable with these maneuvers, practice more advanced maneuvers in deep flat snow.
-
Learn techniques from more experienced riders.
-
Practice traversing through deep snow, which is when you will often need to steer by leaning your body weight in the desired direction.
- Practice using proper throttle control to maintain vehicle momentum and adequate track speed in deep snow. Everyone gets stuck at some point in time. If you know your snow bike is becoming stuck, try to turn downhill as much as you can before the snow bike comes to a stop.
GET THE FORECAST
Make a riding plan based on the current avalanche and weather forecast. It is important to remember that overnight weather conditions may have created unsafe riding terrain that was considered safe the day before Visit www.avalanche.org or scan the QR Code®. Follow the page links to locate current avalanche reports and conditions for your area of operation.

GET AVALANCHE SAFETY TRAINING
Timbersled recommends you and all members of your riding group participate in an avalanche safety course. Visit www.avalanche.org/education or scan the QR Code® for education and training resources.

AVALANCHE AWARENESS
Avalanches are a matter of timing. A steep slope can be safe one day, but unsafe the next day due to changing weather and wind conditions.
- Always review the user instructions provided with your safety equipment and follow the recommendations for maintenance, testing and use. Always test your safety equipment to ensure it works properly before riding in mountainous terrain.
- Always store your survival gear in your backpack and wear the backpack. D not store your survival gear on the snow bike.
- Always research current avalanche conditions in your area of operation before riding. Check with local law enforcement, resort or lodging personnel, gas station attendants and other riders to learn about current conditions and any advisories in the area.
SAFETY
- Read and understand the avalanche danger scale. Pay attention to any danger level warnings issued for your area of operation.
- Always remain alert while riding in mountainous terrain. Be aware of snowpack conditions above you as you ride. Avalanches can occur at any time regardless of current condition reports.
North American Public Avalanche Danger Scale
Avalanche danger is determined by the likelihood, size and distribution of avalanches.
| DANGER LEVEL TRAVEL ADVICE LIKELIHOOD OF AVALANCHES | AVALANCHE SIZE AND DISTRIBUTION | |||
| 5 Extreme | ![]() | Avoid all avalanche terrain. | Natural and human-triggered avalanches certain. | Large to very large avalanches in many areas. |
| 4 High | ![]() | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Natural avalanches likely; human-triggered avalanches very likely. | Large avalanches in many areas; or very large avalanches in specific areas. |
| 3 Considerable | ![]() | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Natural avalanches possible; human-triggered avalanches likely. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. |
| 2 Moderate | ![]() | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Natural avalanches unlikely; human-triggered avalanches possible. | Small avalanches in specific areas; or large avalanches in isolated areas. |
| 1 Low | ![]() | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Natural and human-triggered avalanches unlikely. | Small avalanches in isolated areas or extreme terrain. |
| Safe backcountry travel requires training and experience. You control your own choosing where, when and how you travel. | ||||
ICE AND SNOW BUILD-UP
WARNING
Ice and snow build-up may interfere with the steering and braking of your snow bike, resulting in serious injury or death. Keep the snow bike free of snow and ice.
Before driving, manually turn the ski to the left and right to be sure ice and snc are not interfering with full left and right steering. If difficulty is encountered, remove ice and snow build-up that may be obstructing the steering.
DRIVING ON SLIPPERY SURFACES
WARNING
Never attempt an abrupt change of direction when operating on slippery surfaces. Proceed slowly and use extra caution. Driving on ice or hard-packed snow reduces steering and braking control, which may result in loss of control and serious injury or death. Slow down and use extra caution when operating on slippery surfaces.
INADEQUATE SNOW CONDITIONS
NOTICE
Driving in too little snow will result in excessive wear and damage to the slide rail, track, ski, ski skags, and/or spindle.
WARNING
Inadequate cooling and lubrication will lead to overheating of the slide rail and track, causing premature wear, damage and failure, which can result in serious injury. Reduce speeds and frequently drive into fresh snow to allow adequate cooling and polishing of the slide rail and track surfaces. Avoid operating for prolonged periods on ice, hard-packed surfaces or roads.
If the snow bike becomes stuck in snow, clear the track and tunnel area of snow then step down the snow in front of the snow bike so that when the throttle is opened, the snow bike will be able to climb up and over the snow.
DRIVING DOWNHILL
When riding downhill, shift your weight to the rear of the snow bike and reduce your speed to a minimum. Apply just enough throttle to keep the engine from stalling, allowing the engine's compression to help slow the snow bike and keep it from rolling freely downhill.
WARNING
When driving on long downhill stretches, pump the brakes. Riding the brakes may cause the brake system to overheat, which may result in brake failure. Excessive or repetitive use of the brakes for high speed stops will also cause an overheated brake system. This condition may lead to a sudden loss of brakes and/or fire and may result in serious injury or death.
DRIVING IN HILLY TERRAIN
WARNING
Climbing a hill or crossing the face of a slope may result in loss of balance rollover, causing serious injury or death. Use caution and good judgement when driving in hilly terrain.
Use extra caution when operating in hilly terrain. If climbing a hill is unavoidable, keep your weight low and forward. If you must cross the face of a slope, kee your weight on the uphill side of the snow bike to maintain proper balance an avoid possible roll-over.
Slow down when reaching the crest of a hill. Be prepared to react to obstacle sharp drops or other people or vehicles that may be on the other side of the
If you're unable to continue up a hill, turn the snow bike downhill before it lost momentum. If this isn't possible, spin the track just enough to dig in to prevent from rolling back down the hill. Stop the engine. Keeping away from the downside of the snow bike, pull the rear of the snow bike around and point the front end and skis downhill. Remount the snow bike, restart the engine, and descend the hill carefully.
Whenever your snow bike has been parked for a length of time, especially overnight, always make sure the ski and track are loosened from ice and snow before attempting to drive. Apply the throttle with enough authority to put the snow bike into motion, but always operate within safety limits.
CAUTION
Reference host bike's owner's manual to insure bike is adequately prepared for cold temperature conditions.
MANEUVERABILITY
While much control and maneuverability is achieved through the steering system and ski, maximum control is achieved by the shifting of your body weight. Maneuverability will change for lighter operators.
DRIVING RESPONSIBLY
Every snow bike handles differently, and even the most benign conditions may become dangerous if operators drive improperly. If you're new to snow biking, acquaint yourself with the snow bike and with what it will and won't do under various conditions. Even seasoned drivers should spend some time getting the feel for a snow bike before attempting ambitious maneuvers.
- A snow bike depends on the rider's body position for proper balance in executing turns, traversing hills, etc. Always start on a smooth, level area to begin building your operating experience.
- Before allowing someone else to use your snow bike, know the extent of their operating skills. Check to see if they've taken a safety course and have an operator's certificate. For their protection, as well as yours, make sure they take a safety course. Everyone can benefit from the course.
- Don't "jump" your snow bike over large drifts or similar terrain. Jumping may injure your back because of spinal compression that could occur when the snow bike impacts the ground. The seat and suspension of your snow bike have been designed to provide protection under normal riding conditions. Your snow bike is not intended for this kind of use.
- Be courteous to oncoming traffic by dimming your headlights (if equipped) and reducing your speed.
- When traveling in a group of snow bikes, don't tailgate (follow too closely). Leave enough distance between snow bikes to provide ample stopping room and to provide protection from flying snow and debris. Allow even more distance when driving on slippery surfaces or when driving in darkness or other low visibility conditions. Be aware of any traffic around your vehicle. Drive defensively to avoid accidents.
- If equipped, remove the key from the ignition when you leave the snow bike unattended.
WINDCHILL/TEMPERATURE CHARTS
The following information is provided to help you determine when temperatures become dangerous for riding.
Safety and warning labels have been placed on the vehicle for the operator's protection. Make sure the operator understands the information on all labels. If any label becomes illegible or comes off, contact your POLARIS dealer for a replacement. Replacement safety labels are provided by POLARIS at no charge. The part number is printed on the label.
The safety labels are located on the tunnel/cowling of your snow bike.
PROPER USE WARNING



WARNING
Prior to operation, read and understand Timbersled and OEM motorcycle owner's manuals and all warnings.
- ALWAYS wear a DOT approved helmet, eye protection, and protective clothing while operating this vehicle.
- Never carry a passenger.
- Before starting engine, check throttle and brake for proper operation.
- Reduce speed and use extreme caution when operating in unfamiliar terrain.
- Ensure that sprocket and track shrouds are in place and secure. Do not operate with shrouds removed.
Failure to follow these instructions could result in severe injury or death. If owners manual is missing contact Timbersled for a replacement.
TOWING WARNING
WARNING
NEVER pull or tow any person or object behind this Timbersled. Objects towed can easily collide with the rear of the track or other objects, resulting in severe injury or death.
NEVER sit on track tunnel. ALWAYS stay clear of track. Entanglement with track can cause severe injury or death.
ACCESSORY WARNING
WARNING
Suspension travel reduces distance between exhaust and tunnel. ALWAYS position cargo and accessories to avoid contact with engine, exhaust, or moving components.
FAILURE TO COMPLY MAY RESULT IN SUSPENSION INTERFERENCE OR FIRE AND BURN HAZARD.

FEATURES
COMPONENT LOCATIONS

① Break Lever
② Exhaust
③ Brake System
④ Tunnel
⑤ Ski Loop
⑥ Spindle
⑦ Ski
⑧ Ski Skags
⑨ Drive Chain
⑩ Chain Case
⑪ Front Track Shock
⑫ Track
⑬ Rear Track Shock
⑭ Rail
⑮ Track Tensioning Block
CHAIN CASE COMPONENTS
⑯ Jack Shaft
⑰ Chain Slider/Tensioning Bolt
⑱ Chain Case Chain
⑲ Drive Shaft
⑳ Chain Pin

TOOLS
Timbersled recommends carrying a few tools to work on the snow bike kit when in the backcountry. These tools will take the entire snow bike kit apart.
- Wrenches: 0.5 in, 8 mm, 9 mm, 10 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, Adjustable Wrench that adjusts up to 1 in.
• Hex Keys: 5/32, 7/32 & 1/4 - Torx Key: T27
- Torx Bits
- Bumper Bolts: T45
- Other Tools: Flat blade screwdriver, Pliers
CARGO STORAGE
Never hang heavy items or fuel containers from the rear of the tunnel. Cargo may be stowed only in the tunnel storage bag (if equipped) or another properly used and authorized Timbersled accessory specifically designed for your Timbersled model.
NOTICE
Exceeding the tunnel cargo weight capacity could result in tunnel and or suspension pad damage. Do not exceed tunnel weight limit.
RAIL ICE SCRATCHERS
Timbersled recommends rail ice scratchers to help prevent overheating when riding on ice or hard-packed snow.
ACCESSORIES
Timbersled offers a wide range of accessories for your snow bike to help make each ride more enjoyable.
WARNING
Use only Timbersled-approved parts and accessories on your Timbersled snow bike. Use of unapproved parts and accessories may result in:
• Non-compliance with government/industry requirements
- Voiding of warranty
- Injury to self or others
This applies (but is not limited) to the following areas: brakes and fuel |storag
THE PERFECT FIT
SUSPENSION QUICK SETUP GUIDE
OVERVIEW

① Front Track Shock
② Rear Track Shock
③ Spring Preload Adjuster
④ Shock Clicker (if equipped)
IMPORTANT
Prior to adjusting spring preload, always lay the snow bike on it's side or elevate it off the ground. The shocks must be fully extended for proper preload adjustment.
The best suspension setting depends on many variables including the riding terrain and the rider's weight, riding style, and individual preferences.
SPRING PRELOAD ADJUSTMENT (ALL MODELS)
All shocks installed on Timbersled snow bikes are equipped with spring preload adjusters. For factory spring settings, see the suspension setup section for your particular model.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in this section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete the following procedure:
-
Ride your snow bike. Test ride your snow bike on preferred terrain to feel out the factory suspension settings prior to making any adjustments. Optimal suspension settings can change depending on terrain and skill level.
-
Turn bike on side or elevate so shocks are fully extended.
NOTICE
Always perform shock spring preload adjustments with the weight of the vehicle removed from the shock and the shock is at full extension. Make spring preload adjustments in small increments (approximately 1/16th of an inch) and test ride quality between adjustments.
- Tune vehicle balance using rear shock preload adjuster. Adjusting the rear shock's spring preload affects the smoothness of your ride by controlling the amount of weight transferred by the suspension. Increasing the preload will decrease the amount of weight transferred. Heavier riders will typically require more preload than lighter riders.
TIP
A spanner wrench is needed to adjust the preload on IFP and Walker Evans shocks. (Polaris P/N: 2871095-329)
- For LESS weight transfer, increase the rear shock spring preload by turning the preload adjuster clockwise.
-
For MORE weight transfer, decrease the rear shock spring preload by turning the preload adjuster counterclockwise.
-
Tune ski pressure. Manipulating the front shock spring preload in addition to the rear, will also adjust the snow bike's ski-to-ground pressure. If the ski-to-
ground pressure is too heavy or light, the bike may experience difficulties in steering and stability on certain terrain.
- If ski-to-ground pressure is TOO HEAVY, increase the front shock spring preload and decrease the rear shock preload.
- If ski-to-ground pressure is TOO LIGHT, decrease the front shock spring preload and increase the rear shock preload.
TIMBERSLED ARO MODELS

STANDARD MODELS

Standard Timbersled ARO snow bikes are equipped with Timbersled IFP shocks that utilize spring load adjusters to customize weight transfer and ski-to-ground pressure.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in this section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete the following procedure:
-
Ride your snow bike. Test ride your snow bike on preferred terrain to feel out the factory suspension settings prior to making any adjustments. Optimal suspension settings can change depending on terrain and skill level.
-
Tune vehicle balance using rear shock preload adjust the page 32 for preload instruction.
FRONT SHOCK SPRING SETTINGS
| MODEL FRONT | SHOCK | SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| ARO 129 Timbersled IFP | 150 | 8 13/16 in 8 7/16 in | ||
| ARO 129 S Timbersled IFP | 250 | 6 1/2 in 6 in | ||
| ARO 137 Timbersled IFP | 150 | 8 13/16 in 8 7/16 in |
REAR SHOCK SPRING SETTINGS
| MODEL REAR | SHOCK SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| ARO 129 Timbersled IFP | 175 8 13/16 in | 8 7/16 in | |
| ARO 129 S Timbersled IFP | 250 6 1/2 in 6 | in | |
| ARO 137 Timbersled IFP | 175 8 13/16 in | 8 7/16 in |
LE MODELS

Timbersled ARO LE snow bikes are equipped with FOX® QS3® shocks that utilize spring preload adjusters and shock clickers to customize weight transfer and shock compression.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in t section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete following procedure:
- Ride your snow bike. Test ride your snow bike on preferred terrain to feel out the factory suspension settings prior to making any adjustments. Optimal suspension settings can change depending on terrain and skill level.
- Tune vehicle balance using rear shock preload adjustere page 32 for preload instruction.
- Adjust shock compression using shock clickersTune the firmness of your ride by adjusting the shock clickers on the FOX® QS3® shocks. These clickers have a three-position adjuster for soft, medium, and firm compression settings.
| CLICKER POSITION COMPRESSION SETTING | |
| 1 Soft | |
| 2 Medium | |
| 3 Firm | |
FRONT SHOCK SPRING SETTINGS
| MODEL FRONT | SHOCK | SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| ARO 129 LE | FOX® QS3® | 150 | 7 7/8 in 7 7/16 | in |
| ARO 129 3 LE | FOX® QS3® 1 | 50 | 7 7/8 in 7 7/16 | in |
| ARO 137 LE | FOX® QS3® | 150 | 7 7/8 in 7 7/16 | in |
REAR SHOCK SPRING SETTINGS
| MODEL REAR | SHOCK SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| ARO 129 LE F | OX® QS3® 175 | 7 3/4 in 7 7/16 | in |
| ARO 129 3 LE | FOX® QS3® | 175 7 3/4 in 7 | 7/16 in |
| ARO 137 LE F | OX® QS3® 175 | 7 3/4 in 7 7/16 | in |
VELOCITY MODELS

Timbersled ARO VELOCITY snow bikes are equipped with Walker Evans Velocity shocks that utilize spring preload adjusters and clickers to customize weight transfer and shock compression.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in t section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete following procedure:
-
Ride your snow bike. Test ride your snow bike on preferred terrain to feed out the factory suspension settings prior to making any adjustments. Optima suspension settings can change depending on terrain and skill level.
-
Tune vehicle balance and ski-to-ground pressure using shock spring preload adjusters①. See page 32 for preload instruction.
3. Adjust shock compression using shock clickers ② .
The Walker Evans Velocity shocks come equipped with an inside clicker (black) and an outside clicker (red). These clickers adjust shock compression for high- and low-speed trail events.

NOTICE
Speed refers to the rate of shock compression, not speed of vehicle.
- The outside clicker adjusts shock compression during high speed compression events (trail whoops, trail chatter, etc.). Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
- The inside clicke® adjusts shock compression during low speed compression events (takeoff, G-outs, etc.). Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
SHOCK SPRING SETTINGS
| SHOCK LOCA-TION | SHOCK TYPE SPRING RATE FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH | ||
| Front Track | Walker Evans Velocity | 150 8 13/16 in | 8 7/16 in | |
| Rear Track | Walker Evans Velocity | 175 8 13/16 in | 8 7/16 in | |
TIMBERSLED RIOT MODELS

STANDARD MODELS

Standard Timbersled RIOT snow bikes are equipped with Timbersled IFP shocks that utilize spring load adjusters to customize weight transfer and ski-to ground pressure.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in this section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete the following procedure:
-
Ride your snow bike. Test ride your snow bike on preferred terrain to feel out the factory suspension settings prior to making any adjustments. Optimal suspension settings can change depending on terrain and skill level.
-
Tune vehicle balance using rear shock preload adjust the page 32 for preload instruction.
FRONT SHOCK SPRING SETTINGS
| MODEL FRONT | SHOCK | SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| Timbersled RIOT 120 | Timbersled IFP | 250 8 1/2 in 8 | 1/4 in | |
| Timbersled RIOT 120 S | Timbersled IFP | 450 6 3/4 in 6 | 7/16 in |
REAR SHOCK SPRING SETTINGS
| MODEL REAR | SHOCK SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| Timbersled RIOT 120 | Timbersled IFP | 80 8 1/2 in 7 in | |
| Timbersled RIOT 120 S | Timbersled IFP | 135 6 3/4 in 6 in |
LE MODELS

Timbersled RIOT LE snow bikes are equipped with FOX® QS3® shocks that utilize spring preload adjusters and shock clickers to customize weight transfer and shock compression.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in t section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete following procedure:
- Ride your snow bike. Test ride your snow bike on preferred terrain to feel out the factory suspension settings prior to making any adjustments. Optimal suspension settings can change depending on terrain and skill level.
- Tune vehicle balance using rear shock preload adjustere page 32 for preload instruction.
- Adjust shock compression using shock clickersTune the firmness of your ride by adjusting the shock clickers on the FOX® QS3® shocks. These clickers have a three-position adjuster for soft, medium, and firm compression settings.
| CLICKER POSITION COMPRESSION SETTING | |
| 1 Soft | |
| 2 Medium | |
| 3 Firm | |
FRONT SHOCK SPRING SETTINGS
| MODEL FRONT | SHOCK | SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| Timbersled RIOT 120 LE | FOX® QS3® 250 8 1/2 in 8 1/4 in | |||
| Timbersled RIOT 120 S LE | FOX® QS3® 450 6 3/4 in 6 7/16 in | |||
REAR SHOCK SPRING SETTINGS
| MODEL REAR | SHOCK SPRING RATE | FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH |
| Timbersled RIOT 120 LE | FOX® QS3® | 80 8 1/2 in 7 in | |
| Timbersled RIOT 120 S LE | FOX® QS3® 1 | 35 6 3/4 in 6 in |
VELOCITY MODELS

Timbersled RIOT VELOCITY snow bikes are equipped with Walker Evans Velocity shocks that utilize spring preload adjusters and clickers to customize weight transfer and shock compression.
CAUTION
DO NOT EXCEED the MIN / MAX preload values (defined by the tables in t section). Never adjust spring preload shorter than the minimum allowable length. Adjusting shorter than this length could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
ADJUSTING THE SUSPENSION
For those that wish to customize the ride quality of their snow bike, complete following procedure:
-
Ride your snow bike. Test ride your snow bike on preferred terrain to feed out the factory suspension settings prior to making any adjustments. Optima suspension settings can change depending on terrain and skill level.
-
Tune vehicle balance and ski-to-ground pressure using shock spring preload adjusters①. See page 32 for preload instruction.
3. Adjust shock compression using shock clickers ② .
The Walker Evans Velocity shocks come equipped with an inside clicker (black) and an outside clicker (red). These clickers adjust shock compression for high- and low-speed trail events.

NOTICE
Speed refers to the rate of shock compression, not speed of vehicle.
- The outside clicker adjusts shock compression during high speed compression events (trail whoops, trail chatter, etc.). Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
- The inside clicke® adjusts shock compression during low speed compression events (takeoff, G-outs, etc.). Turn clicker clockwise to increase compression and counterclockwise to decrease compression.
SHOCK SPRING SETTINGS
| SHOCK LOCA-TION | SHOCK TYPE SPRING RATE FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH | ||
| Front Track | Walker Evans Velocity | 250 8 1/2 in 8 | 1/4 in | |
| Rear Track | Walker Evans Velocity | 80 8 1/2 in 7 in | ||
TIMBERSLED SX MODELS
Timbersled 120 SX models are equipped with FOX® 1.5 Zero LSC-R shocks on both the front and rear of the track. Each shock uses a set of clickers to adjust compression and rebound damping. Increasing or decreasing the shock dampers changes the stiffness or softness of your ride.
NOTICE
Set your snow bike's spring preload adjustments BEFORE adjusting the shock clickers.
IMPORTANT
Never adjust the shocks beyond their minimum or maximum preload values.

① Spring Preload Adjuster
② Compression Damping Clicker
③ Rebound Damping Clicker
SPRING PRELOAD ADJUSTER
Adjusting the rear track spring preload helps tune vehicle balance between the ski and rear track during rider weight transfer. See page 32 for spring preload adjustment instruction.
COMPRESSION DAMPING CLICKER
Adjusting the compression damping click@helps create a stiffer or softer ride by customizing the rate of shock compression over rough terrain.
- For a stiffer ride, turn the clicker clockwise to increase damping.
- For a softer ride, turn the clicker counterclockwise to decrease damping.
REBOUND DAMPING CLICKER
The rebound damping clicker is located on the shaft side of each shock. The rebound clicker controls how the shock returns to the proper position after a bump or irregularity in terrain. Adjust the rebound damping clicker to create smoother ride.
- For a stiffer ride, increase rebound damping by turning the clicker clockwise.
- For a softer ride, decrease rebound damping by turning the clicker counterclockwise.
SHOCK SPRING SETTINGS
| SHOCK LOCA-TION | SHOCK TYPE SPRING RATE FACTORY INSTALLED LENGTH | MINIMUM ALLOWABLE LENGTH | ||
| Front Track | FOX® 1.5 Zero LSC-R | 200 7 7/8 in 7 | 25/32 in | |
| Rear Track | FOX® 1.5 Zero LSC-R | 200 7 7/8 in 7 | 25/32 in | |
TIMBERSLED SUSPENSION STRUT SX SHOCKS (IF EQUIPPED)
The Timbersled Strut SX Shock Body suspension system (TSS) is designed to increase your snow bike's performance and enhance responsive steering and handling. For maximum suspension performance, follow the tuning instructions below.
NOTICE
Installation instructions are provided with the TSS accessory kit. For replacement instructions, see your local Timbersled dealer or visit the Timbersled website.
SHOCK TRAVEL
The TSS shock O-ring, found on the outer shock body, is designed to gauge the amount of shock travel. To measure the amount of shock travel using the O-ring follow these steps:
- Slide the TSS O-ring down to the lowest position.
- Ride the snow bike for approximately 10 minutes. Then shut down the engine and dismount the bike.
-
Elevate snow bike so the weight of the vehicle is removed from the shock and the TSS shock is at full-extension.
-
Measure how much the O-ring has moved by calculating the distance between the O-ring's starting position and post-ride position.
NOTICE
O-ring movement equals the amount of TSS shock travel. The TSS shock has a max travel distance of 1.5 in until it will bottom out. The recommended amount of shock travel is approximately 1-1/8 in of stroke.
- Tune the TSS shock in increments of 25 psi to reach the targeted amount shock travel (1.13 in) and accomplish perfect calibration.
ADJUSTING AIR PRESSURE

NOTICE
The TSS Shock is factory preset at 260 psi. Use a FOX® Float air pump adjust the spring rate and preload of the TSS Shock.

CAUTION
DO NOT EXCEED the minimum or maximum pressure values specified below Pressurizing above or below these settings could result in damage to the suspension. Failure to comply may result in injury or damage to equipment.
| Suggested TSS Pressures | |
| Setting PSI | |
| Minimum Setting 200 | |
| Factory Setting 260 | |
| Maximum Setting 400 | |
- Turn bike on side or elevate so the weight of the vehicle is removed from the shock.
- Remove the valve cap.
- Thread the pump onto the valve-stem until the pump pressurizes and supplied pressure is readable on the gauge.
| NOTICE |
| During pressurization of the air pump, the shock will depress 20 psi to pump hose. When checking the air pressure, compensate for this loss adding 20 psi to the reading. |
fill the
- When finished, detach the air pump.
| NOTICE |
| When tuning your TSS shock, add or subtract air pressure in increment psi at a time. Do not get snow or water inside the valve stem as the cause an air leak in the shock. After each 25 psi increment of adjust pressure, slide the O-ring back to the lowest position and ride your sno for approximately 10 minutes before rechecking shock travel distance |
PRE-RIDE INSPECTION
PRE-RIDE CHECKLIST
Inspect all items on the checklist for proper operation or condition before each use of the snow bike. Procedures are outlined in the referenced sections.
| ITEM SEE SECTION | |
| Steering System page 50 | |
| Coolant Level See Host Bike's Owners Manual | |
| Injection Oil Level See Host Bike's | Owners Manual |
| Ignition Switch See Host Bike's Owners Manual | |
| Headlight/Taillight/Brakelight See Host Bike's Owners Manual | |
| Suspension page 31 | |
| Skags (Wear Bars) page 79 | |
| Ski Saddle and Spindle Bolts page | 81 |
| Track Alignment/Condition page 72 | |
| Rail Slide Condition | page 81 |
| Chain Tension | page 59 and page 65 |
PRE-RIDE SUSPENSION INSPECTION
Loose nuts and bolts can reduce your snow bike's reliability and cause needle repairs and down time. Before beginning any ride, a visual inspection will uncover potential problems. Check the following items on a weekly basis or before any long trip.
| ITEM SEE SECTION | |
| Check suspension mounting bolts for tightness. | - |
| Check rear idler wheel bolt for tightness. | page 51 |
| Check rear idler adjusting bolt locknuts for tightness. | - |
| Check rail slide condition. page 81 | |
| Check track tension. | - |
| Check ski runner/skag condition. page 79 | |
| Check ski spindle bolts for tightness. | - |
| Swing Arm Pivot Bolt | - |
| Check chains (chain case and engine drive chain) for wear and tension. | page 65 |
BEFORE STARTING THE ENGINE
Before starting the engine, reference your host bike's owner's manual for engine starting process and safety warnings.

WARNING
Operating the vehicle with worn, damaged, or malfunctioning components could result in serious injury or death. Never start the engine without checking all vehicle components to be sure of proper operation.
READ AND UNDERSTAND YOUR OWNER'S MANUAL
Read your Timbersled owner's manual, as well as your host bike's owner's manual, completely and refer to it often. The manual is your guide to safe and enjoyable experience.
STEERING SYSTEM

WARNING
Ice and snow build-up may interfere with the steering of your snow bike, resulting in serious injury or death. Keep the vehicle free of snow and ice.
Before driving, manually turn the ski to the left and right to be sure ice and snc are not interfering with full left and right steering. If difficulty is encountered, remove ice and snow build-up that may be obstructing the steering linkage or front ski and skags.
Ensure fork clamps, spindle and ski bolts, and front axle bolt are torqued properly.
BRAKES
Always check the following items for proper operation before starting the engine
BRAKE LEVER TRAVEL
Squeeze the brake lever. It should move no closer to the handgrip than 1/2 in (1.3 cm). A smaller distance indicates low brake fluid level or air in the hydraulic system. Your dealer can assist.
LEVER FEEL
If the brake lever feels “spongy” when squeezed, check the brake fluid level a condition.
WARNING
Continued use of “spongy” brakes may cause a complete loss of brakes, which could result in serious injury or death. Always have the brakes serviced at the first sign of sponginess.
NOTICE
To gain 100% braking performance, Timbersled recommends performing 20–50 stop cycles of the Timbersled Brake System before first ride. Brake cycles should be performed at a slow controlled speed in a flat, open environment. Starting the snowbike and engaging it into gear, allow the track to spin 3–5 rotations. Apply moderate pressure to the brake until the track is completely stopped and is no longer spinning. Repeat as necessary.
TRACK
Track damage or failure caused by operation on ice or poor lubrication conditions voids the track warranty.
WARNING
Operating the snow bike with a damaged track increases the possibility of tra failure, which could cause loss of control resulting in serious injury or death. Always inspect the track for damage before using the vehicle.
CAUTION
Use of traction products such as studs increases the possibility of track damage and/or failure. Driving at high speeds for extended periods of time in marginal lubrication could severely damage track rods, break track edges, and cause other track damage. Examples of marginal lubrication would include frozen bodies of water without snow cover, icy trails, and no-snow conditions.
OPERATION
BREAK-IN PERIOD
SNOW BIKE SYSTEM BREAK-IN
| BREAK-IN FUNCTION BREAK | IN PERIOD (HOURS OF ENGINE RUN TIME) | POST BREAK-IN MAINTENANCE |
| Chain: Drive and Chain Case | 3 hours Lubricate | |
| Chain Deflection (Drive and Chain Case)NOTE: follow chain tensioning procedures on page 65 and page 68. | 3 hours | Check Tension |
| Brake Line Connections 3 hours | Check for leaks | |
| Track Tension 3 hours Check | Tension | |
| Swing Arm Bolt 3 hours Re-Torque | ||
| Strut Rod Bolts 3 hours Re-Torque | ||
| Front Axle 3 hours Re-Torque | ||
| Ski Bolt 3 hours Re-Torque |
Drive with extra caution during the break-in period. Perform regular checks on fluid levels, lines, and all other important areas of the snow bike.
TRACK WARM-UP

WARNING
A loose track or flying debris could cause serious injury or death. Stand clear the front of the snow bike and the moving track. Never hold the snow bike the ground or stand behind it while warming up the track. Do not use excess throttle during warm-up or when the track is free-hanging. Use a stable rear support.

WARNING
Use of traction products such as studs, ice growsers, etc. will increase the possibility of track damage and/or failure. This could cause loss of control, resulting in serious injury or death. Always inspect for track damage before operating the snow bike.
Follow these steps to ensure proper warm-up of the engine, drive train and track.
- Use an appropriate stand to securely support the rear of the snow bike. The track should be about 4 inches (10 cm) off the ground.
- Start the engine and allow it to warm up two to three minutes.
- Engage the throttle abruptly and allow the track to rotate several revolutions.
TIP
It will take longer to warm up the track sufficiently during colder outdoor temperatures.
-
Release the throttle, apply the brakes, shut off the engine and lower the snow bike to the ground.
-
Grasp the ski by the front loop and move it from side to side to loosen snow and ice.
SLIDE RAIL AND TRACK COOLING
NOTICE
Inadequate cooling and lubrication will lead to overheating of the slide rail and track, resulting in premature wear and failure. Reduce speeds and frequently drive into fresh snow to allow adequate cooling and polishing of the slide rail and track surfaces. Avoid operating on ice, hard-packed surfaces or roads.
Deep lug tracks are designed specifically for operation in deep snow conditions. Operation with deep lug tracks on low snow, hard-packed trails, ice, or at sustained high speeds may cause track overheating, track lug separation, and/or rail slide damage.
NOTICE
Track damage attributed to track overheating and/or lug separation is not covered under the Timbersled limited warranty policy.
IMPORTANT
Timbersled ARO 3" models have a recommended maximum sustained speed limit of 50 MPH. To avoid track/lug damage, never exceed this maximum recommended sustained speed.
FUEL STORAGE

WARNING
Gasoline is highly flammable and explosive under certain conditions.
• Always exercise extreme caution whenever handling gasoline.
- Always follow the safety procedures outlined in your host bike's owner's manual.
• Always refuel outdoors or in a well-ventilated area.
• Always turn off the engine before refueling.
- Do not overfill the tank. Do not fill the tank neck.
- Do not smoke or allow open flames or sparks in or near the area where refueling is performed or where gasoline is stored.
- If gasoline spills on your skin or clothing, immediately wash it off with soap and water and change clothing.
- Never start the engine or let it run in an enclosed area. Engine exhaust fumes are poisonous and can cause loss of consciousness or death in a short time.
FUEL RECOMMENDATION
See host bike owner's manual for fuel recommendation.
NOTICE
Operating with obstructed fuel systems will result in serious engine damage. Perform maintenance as recommended. Prolonged exposure to petroleum based products may damage paint. Always protect painted surfaces when handling fuel.
DAILY STORAGE
At the end of each ride, park the vehicle on a level surface and support it at rear with an appropriate track stand. The track should be suspended approximately 4 inches (10 cm) off the ground.
Remove the key (if applicable) and cover the vehicle.
MAINTENANCE
For host bike maintenance procedures and recommendations, refer to your hos bike's owner's manual. The maintenance information found in the manual only applies to the Timbersled Snow Bike system.
TIMBERSLED RECOMMENDED MAINTENANCE PROGRAM
Always follow recommended regular maintenance and perform service checks as outlined in this manual. Record maintenance and service in the Maintenance Log.
The recommended maintenance schedule on your vehicle calls for service and maintenance inspections at 150 miles (240 km), 500 miles (800 km) and 1000 miles (1600 km). These inspections should be performed by a qualified service technician. For continued optimum performance and component life, continue maintenance checks at 1000 mile (1600 km) intervals.
All necessary replacement parts and labor incurred, with the exception of authorized warranty repairs, become the responsibility of the registered owner. If, during the course of the warranty period, part failures occur as a result of owner neglect in performing recommended regular maintenance, the cost of repairs are the responsibility of the owner.
Personal safety is critical when attempting to service or make adjustments to your vehicle. If you're not familiar with safe service or adjustment procedures and the use of tools, or if you don't feel comfortable performing these tasks yourself, your authorized Timbersled dealer can provide any needed service.
NOTICE
Hot components can cause damage to plastic. Always make sure the exhaus system and engine have cooled before tipping the vehicle on its side for service or inspection.
NOTICE
Timbersled recommends changing the oil in your host bike more frequently that stated in the host bike's owners manual.
PERIODIC MAINTENANCE TABLE
The following chart is a guide based on average riding conditions. You may not to increase frequency based on riding conditions. When inspection reveals the need for replacement parts, always use genuine Timbersled parts, available from your Timbersled dealer.
| I - INSPECT (CLEAN, ADJUST, TIGHTEN, LUBRICATE, REPLACE IF NECESSARY)C - CLEAN, R - REPLACE, L - LUBRICATE | ||||||
| ITEM | FREQUENCY | |||||
| 150 MI.(240 KM) | 500 MI.(800 KM) | 1000 MI. (1600 KM) | 2000 MI. (3200 KM) | PRE- SEASON | ||
| BRAKES | ||||||
| Hose Routing | | | | | | | | ||||
| Hose Condition | | | | | | | | ||||
| Fluid Leaks | | | | | | | | ||||
| Brake Pads | | | | | | | | ||||
| Brake Disc | | | | | | | | ||||
| Brake System (see page 61 for inspection procedures) | | | | | | | | ||||
| Brake Fluid | | | | | |||||
| FUEL MANAGEMENT | ||||||
| Air Box/Air Intake | | | | | | | | ||||
| CHASSIS | ||||||
| Chassis Mount Bushings | R R I/L | |||||
| Suspension Mounting Bolts | | | | | | | | ||||
| Steering Fasteners | | | | | | | | ||||
| Rear Suspension Fasteners | | | | | | | | ||||
| Ski Saddle/Spindle Bolts | | | | | | | | ||||
| Drive Chain (see page 65 and page 70 for inspection and tensioning procedures) | I/L I/L | R R I/L | ||||
| Rear Wheel Idler Bolt | | | | | | | | ||||
| Idler Bolt Jam Nut | | | | | | | | ||||
| Track Alignment | | | | | | | | ||||
| Track Tension | | | | | | | | ||||
| Rail Slide Condition (see page 81 for inspection procedures) | I I I I I | |||||
| Chain Case Chain (see page 68 and page 70 for inspection and tensioning procedures) | I/L I/L | R R I/L | ||||
| Fork Clamp Bolts | I I I I | |||||
| Swing Arm Bolts | I I I | |||||
| Strut Rod Bolt | I I I I | |||||
| Front Axle Bolt | I I I I | |||||
| Chain Guide Slider | I I R | R I/R | ||||
| Ski Skags (see page 79 for inspection procedures) | I I I I I | |||||
| Rear SuspensionArm Bushings(if equipped—grease with grease fittings) | I I I I I | |||||
LUBRICATION
CHAIN LUBRICATION
Lubricate the chains every 8 to 10 hours of operation. We have found that the use of Maxima Chain Wax for O-ring chains works best. It is recommended to lift the track off the ground. Start the bike and put it into first gear and let the clutch out allowing the drive system to spin. Slowly spray lube directly onto the chain rollers and O-rings, soaking the chain. This will allow good penetration in the moving chain parts.
TRACK LUBRICATION
The slide rail needs snow for lubrication. Excessive wear indicates insufficient lubrication. A new rail slide can cause faster heat build-up in limited lubrication, resulting in excessive wear.

WARNING
Operating with insufficient lubrication between the rail slide and track guide clips can cause track failure, loss of vehicle control and loss of braking ability, which can result in serious injury or death. Avoid operating for extended periods on ice and other surfaces that have little or no snow for lubrication.
If excessive rail slide wear occurs due to poor snow conditions, additional scratchers are available specifically designed for your model. Your dealer can provide more information.
Track damage or failure caused by operation on ice or under other poor lubrication conditions will void the track warranty.
EXHAUST SYSTEM
For exhaust system inspection procedures, see your host bike's owner's manual.

CAUTION
Hot exhaust system parts can cause burns. Allow adequate time for the exhaust system to cool. Never perform this procedure with the engine running.
SUSPENSION MAINTENANCE
The following procedures should be performed regularly to properly maintain the suspension of your snow bike.
- Track tension and alignment adjustment may be required if the track starts skip on the drivers or if the rail slides are wearing too quickly. For more information on track tension and alignment refer to the Track Maintenance section (page 72).
- Inspect rail slides regularly for wear and replace them if they have thin spots. Rail slide wear can be prevented by making sure snow is spraying on them when riding on the trail. It is recommended to install ice scratchers on the rails if frequently riding on hard pack snow conditions. The rails are pre-drilled for this. Ice Scratchers and rail slides can be purchased through Timbersled or most snow bike shops. For more information on rail slide inspection and wear see the Rail Slide Wear section (page 81).
NOTICE
Replacement rail slides are the same profile as late model Timbersled bikes.
snow
- Timbersled RIOT models' rear suspension arm is equipped with grease fittings. The suspension comes with assembly grease on the bushings that should last until the first maintenance period. Lubricate as necessary and at the maintenance intervals indicated on the Periodic Maintenance chart in the Maintenance chapter.
BRAKES
Inspect the brake lever reserve before each use of the snow bike. See page
Brake pads must be replaced when the brake pad material becomes thinner than 1/16 inch (1.5 mm). A kit is available for replacing brake pads. Your Timbersled dealer can assist.

WARNING
Brake failure during operation can result in serious injury or death. Properly functioning brakes are vital to your safety. Be sure the brake pads do not dr on the disc and that brake lever travel is not excessive. Always replace brake pads when the brake pad material becomes thinner than 1/16 inch (1.5 mm)
Timbersled snow bikes are equipped with a Brembo® Master Cylinder Hand Brake. The level reach is adjustable to fit various rider hand sizes.
WARNING
DO NOT adjust the brake lever closer than 1/2 in from the handlebar. Adjusting the lever closer than 1/2 in could prevent the brakes from functioning properly resulting in severe injury or death.

- Locate the adjustment kno① on the Brembo® brake assembly.
- Turn the knob COUNTERCLOCKWISE to bring the lever CLOSER to the handlebar.
- Turn the knob CLOCKWISE to adjust the lever FARTHER from the handlebar.
NOTICE
Do not attempt to force the adjustment screw beyond its limits.
BRAKE COMPONENTS

① Brake Caliper
② Brake Pad Material
③ Brake Disc
EXCESSIVE LEVER TRAVEL
Hydraulic brakes are self-adjusting, but if excessive brake pad clearance develops, bring the snow bike to an authorized Timbersled dealer for inspection and adjustment.
TIP
The lightweight brake discs have vent holes that may cause a high-pitched sound during operation.
BRAKE FLUID
The brake fluid level can be seen through a plastic sight glass in the brake reservoir. If the fluid is sufficient, the sight glass will be black. If the sight glass any color other than black, add brake fluid.
Replace brake fluid at least every two years with DOT 4 high temperature bra fluid, or an equivalent product.

WARNING
After opening a bottle of brake fluid, always discard any unused portion. Never store or use a partial bottle. Brake fluid is hygroscopic, meaning it rapidly absorbs moisture from the air. The moisture causes the boiling temperature of the brake fluid to drop, which can lead to early brake fade and the possibility accident or serious injury.

WARNING
Keep the master cylinder cover free of dirt and debris. The vent slits allow for diaphragm movement, and if they become plugged, movement of brake fluid below the diaphragm may be restricted, altering brake function.
NOTICE
Brake fluid will damage labels, paint and some plastics. Always wipe up spills immediately.
Air in the hydraulic brake system will cause spongy brake lever action. If the brakes feel spongy, bleed the system before operating the snow bike.

WARNING
Operating the vehicle with a spongy brake lever can result in loss of brakes, which could cause an accident and lead to serious injury or death. Never operate the vehicle with a spongy-feeling brake lever.
During the bleeding procedure, keep the brake handle as level as possible. The reservoir must be in this position to minimize the possibility of air entering the system through the reservoir vent.
- Remove the brake master cylinder reservoir cover and gasket.
- Fill the master cylinder reservoir to between the MIN and MAX marks or 1/4-5/16 inch (.6-.8 cm) below the lip of the reservoir opening. Reinstall the gasket and cover.
- Slip a rubber tube over the ball of the bleeder valve and direct the flow of fluid into an approved container.
- Squeeze the brake lever a full stroke. Then unscrew the bleeder valve 3/4 of a turn to release air.
- Close the bleeder valve and release the brake lever.
- Repeat steps 4–5 until fluid flows from the bleeder valve in a solid stream free of air bubbles.

WARNING
Overfilling the master cylinder leaves no room for fluid expansion and may cause the brakes to lock, resulting in serious injury or death. Always add brake fluid to the fill line as recommended.
- After bleeding is complete, refill the reservoir to the proper level.
- Reinstall the gasket and cover.
TORQUE
6–8 in lbs (0.7–0.9 Nm)
DRIVE SYSTEM
DRIVE CHAIN TENSION
For long chain life and reliability, it is extremely important that you keep the d chain adjusted properly. Always check drive chain tension before riding.
IMPORTANT
TIMBERSLED SUSPENSION STRUT (TSS) MODELS: The TSS MUST be a full extension and set to at least 200 PSI to measure and adjust drive chain tension properly. To ensure the TSS is at full extension, remove all weight from the shock by tipping the bike on its side or by using an appropriate stand to the bike under its engine ensuring the track is suspended off the ground. Inspecting and adjusting a chain without the suspension at full extension will indicate a loose chain and lead to over-tensioning and excessive chain stretch and wear.
NOTE
The drive chain may loosen on the first ride due to initial chain stretch and slider break-in. Re-tighten drive chain after first few rides. If problem persists, your dealer can assist.
MEASURING DRIVE CHAIN TENSION
To measure drive chain tension before riding:
- Position your snow bike on an flat and even surface. Do not place a whee under the bike. Remove all snow and debris.

- Position a ruler behind or in front of the top chord of the drive chain, halfway between the counter shaft sprocket and the jack shaft sprocket (this is where drive chain displacement should be measured). Steady the ruler so it does not move as chain displacement is measured.

-
Choose a single chain link pin close to the ruler to use as a reference point for measuring chain displacement. Push down on the top chord of the chain with one finger and line up the 1 inch mark on the ruler with the chosen chain pin ②.
-
Then, without moving the ruler, push up on the top chord of the chain with one finger in the same location and add up each eighth inch mark between the 1 inch mark and the new position of the chosen chain pin
If the chain is properly tensioned, there should be between 0.75 in. and 1.25 in. between the 1 inch mark (the position of the chosen chain pin when pressed down) and the current position of the chosen chain pin (when pressed up). This is the drive chain's displacement measurement. If the drive chain's displacement measurement is less or more than 0.75 in. and 1.25 in. the chain needs to be adjusted (see Adjusting Drive Chain Tension).


ADJUSTING DRIVE CHAIN TENSION
To adjust drive chain tension, follow the steps below.

- If the chain requires adjustment, loosen both 15 mm frame rail slide bolts located on the right side of the Timbersled frame.
- Loosen the 13 mm inner jam ⑥ on the inner frame tension adjuster bolt ⑤.
-
Adjust the tension adjuster bolt in or out to achieve the correct chain tension.
-
Re-torque the jam nu to specification.
TORQUE
Jam Nut
18.4 ft-lbs (25 N·m)
- Re-torque the frame rail slide bolt to specification.
TORQUE
Frame Rail Slide Bolts
36.9 ft-lbs (50 N·m)
- Measure the drive chain's displacement once again to ensure it is properly adjusted.
If the chain is too tight and the frame is difficult to compress, you may loosen the front right-hand side panel bolt and the front right-hand frame bolt to allow the frame to slide easier. Re-torque both bolts to 60 Nm prior to tensioning the chain.

CHAIN CASE CHAIN TENSION
It is recommended that you measure the chain case chain tension each time the chain is lubricated.
CAUTION
Do not over-tension the chain. Improper chain tension can cause excessive wear to the chain and the tension roller bolt.
MEASURING CHAIN CASE CHAIN TENSION
To measure the chain case chain's tension:
- Remove fasteners from chain case cover.
- Position a ruler behind or in front of the right chord of the drive chain half between the drive shaft sprocket and the jack shaft sprocket (this is where the chain's displacement should be measured). Position and steady the ruler so it does not move as chain displacement is measured.
- Choose a single chain link pin close to the ruler to use as a reference point for measuring chain displacement. Push the chain's right chord to the left near the chosen link pin using 1 finger. Line up the 1 inch mark on the right with the center of the chosen chain pin.

- Then, without moving the ruler, push the chain's right chord to the right with one finger in the same location and count the number of 1/8 " marks between the 1 inch mark and the new position of the chosen chain pin.
If the chain is properly tensioned, there should be between 1/2 in and between the 1 inch mark (the position of the chosen chain pin when pressed to the left) and the current position of the chosen chain pin (when pressed the right). This is the chain case chain's displacement measurement. The chain's displacement measurement is less or more than 1/2 , the chain tension needs to be adjusted (see Adjusting Chain Case Chain Tension).
ADJUSTING CHAIN CASE CHAIN TENSION
To adjust the chain case chain's tension:
-
Loosen the tension roller bolt.
-
Adjust the chain tension as needed by pushing the roller towards the chain to increase tension or away from the chain to lessen tension.
-
Then tighten the tension roller bølfirmly once again.
-
Measure the chain case chain's displacement once more to ensure proper adjustment.
CHAIN INSPECTION
IMPORTANT
Regular drive chain and chain case chain inspection is important. A broken chain can cause host bike damage.
Chains need to be regularly inspected for signs of wear, damage and stretching. A drive chain or chain case chain that has stretched 1% or more of it's length i worn out and will need to be replaced.
NOTICE
A chain with 1000 miles or 75 hours of use will need to be replaced (see Periodic Maintenance Interval Table in the Maintenance chapter).
To measure chain stretch, perform the following procedure:
- To determine whether the chain has stretched 1% or more, first ensure the chain is taut along the area you plan to measure (a screw® driven to keep the drive chain taught in the drive chain image below).
Timbersled RIOT and ARO snow bikes are equipped with 520 drive and chain case chains which have a pitch of 5/8 in or 0.625 in. (A chain's pitch is the length of a single link which is measured from the center of one pin to the center of the next pin).
① Link 1
② Link 2
③ Link 3
④ Link 4
⑤ Link 5
![graph TD A["A"] --> B["Chain 1"] B --> C["Chain 2"] C --> D["Chain 3"] D --> E["Chain 4"] E --> F["Chain 5"]](/content/2026/05/954140/images/f5a80799001b064af43bdee2ba75b0b07f130fd56a65efec17bb162dcb3da3b5.jpg)
- Mark out the number of links to measure (see the following table to find the number of links to measure for the chain you are inspecting). To mark this number of links, begin by marking the first point counting forward the same number of pins (number of pins counted should equal the number of links to measure). Finish by marking the final point (see image with first and last pin marked).

| CHAIN TYPE | # OF LINKS TO MEASURE | EXPECTED LENGTH | EXPECTED LENGTH +1% | ACCEPTABLE LENGTH RANGE |
| Drive Chain | 24 (mark first and last pin) | 15" (24 x 0.625 15) | 15.15" or slightly < 15 1/8" | Between 15" and 15.15" |
| Chain Case Chain | 17 (mark first and last pin) | 10.625" or 10 5/8" (17 x 0.625 10.625) | 10.731" or slightly < 10 3/4" | Between 10.625" and 10.731" |
-
Then measure the counted number of links by measuring from the center of the first point to the center of the final point. This measurement should equal a length somewhere within the acceptable length range (as shown in the previous table).
-
If the length of the counted chain links equals or exceeds the expected length plus 1% (see table) the chain is worn out and must be replaced.
If the length of the chain links is less than the expected length plus 1% (i.e. the length is within the acceptable length range), the chain does not need to be replaced at this time.

TRACK MAINTENANCE
TRACK INSPECTION
- Using a hoist, safely lift and support the rear of the snow bike off the ground
- Rotate the track by hand to check for damage.
- Carefully examine the track along the entire length of each rod. Bend the track to check for breakage.
- Replace the track if any rod damage is found.

WARNING
Broken track rods can cause a rotating track to come off the snow bike, which could cause serious injury or death. Never operate with a damaged track. Never rotate a damaged track under power.
TRACK ALIGNMENT
Proper track alignment is an essential factor in proper snow bike handling and in preventing excessive wear to the track and rail slides (i.e. hifax).
INSPECTING TRACK ALIGNMENT
To inspect track alignment, follow the steps below.
- Elevate the track off the ground using a stand.
- Idle the bike in-gear for several revolutions. Inspect whether track is revolving evenly.
NOTE
The track is properly aligned when he track ① clip an evenly along the hifax ② and the track is centered on the suspension.
- Shut off the engine.
- Measure the horizontal distance between the hifax and the track edge on both sides of the bike.
- If the track is aligned properly, both sides should measure approximately the same distance③.
If the track is running too far to one side, track alignment must be adjusted. See Adjusting Track Alignment section for proper adjustment procedure.

ADJUSTING TRACK ALIGNMENT
To adjust track alignment, follow the steps below.
- Loosen axle bolt ⑤ .
- Loosen the adjustment bolt jam nuts and ⑨.

- If the track is running too far to the left, turn the right tension adjustment bol: ⑦ clockwise approximately one-half turn.
If the track is running too far to the right, turn the left tension adjustment bol ⑥ clockwise approximately one-half turn.
NOTICE
Tune the adjustment bolt one half-turn at a time. Check the alignment between adjustment to determine if additional adjustment is needed.
- When track is revolving evenly along the hifax, tighten the adjustment bolt jam nut and tighten axle bolt to specified torque.
TORQUE
Axle Bolt⑤
36.9 ft-lbs (50 N·m)
- Idle the bike in-gear for several revolutions for track alignment adjustment to take full effect. Observe the running track for several additional revolutions.
- Shut the engine off. When aligned properly, the track should run straight and center on suspension rails.
-
Re-measure the horizontal distance ③ between the hifax and track edge on both sides of the bike.
-
Proper alignment: Distance between hifax and track edge are approximately the same on both sides and track appears to run centered on the rails.
- Not aligned properly: Distance between the hifax and track edge is NOT the same on both sides of the bike and the track is NOT centered on the rails. Repeat steps 1 through 5 until track is properly aligned.
IMPORTANT
Adjusting track alignment will alter the tension of the track. When track is properly aligned, measure track tension and adjust if necessary. See Track Tension section for more information.
TRACK TENSION

WARNING
Moving parts can cut and crush body parts. When performing the checks and adjustments recommended on the following pages, stay clear of all moving parts. Never perform track measurement or adjustments with the engine running.

CAUTION
Always ensure proper track tension. Operating your snow bike with a too loose or too tight track could cause the rails to pierce the track (stabbing). Stabbing track may result in bodily harm and / or damaged equipment.
Proper track tension adjustment is critical for proper snow bike handling. Alway maintain proper track alignment and tension. Each track is slightly unique and will break-in a bit differently depending on where and how you ride.
Track tension warning signs:
- Too loose: Track is skipping on the drivers.
- Too tight: The rail sliders (hifax) are wearing quickly.
NOTICE
Before measuring and adjusting track tension, ensure the track is properly aligned. For more information, see Track Alignment section.
MEASURING TRACK TENSION

| TRACK TENSION DATA | |||
| SUSPENSION | PROPER SLACK MEASURE-MENT | APPLIED WEIGHT | MEASURE-MENT LOCATION 8 |
| All Model Types | 3/4" to 1" 10 lbs | 10" to 15" in front | of the rear axle |
To measure track tension:
-
Using an appropriate hoist or stand, safely lift and support the rear of the snow bike off the ground.
-
Place the recommended weight or downward pressure on the track at the measurement location specified (see table).
-
At the measurement location®, measure the vertical slack or space ⑨ between the bottom of the hifax ① (i.e. rail slider) and the wear surface of the track clip. This is the slack measurement.

- If the track is properly tensioned, the slack measurements should be between 3/4" to 1" (as shown in the table).
If the slack measurement is less or greater than the proper slack measurement (3/4" to 1"), the track tension should be adjusted (see the following section, Adjusting Track Tension).
ADJUSTING TRACK TENSION
Measure track tension to be sure adjustment is needed.
NOTICE
If the track starts to skip on the drivers, the track is too loose and needs to be adjusted. Occasionally this will happen after a new track has been run.

-
With the rear of the bike off the ground and properly supported by a stand loosen the axle bolt on the track tensioning block.
-
Loosen the adjustment bolt's jam out
-
Then tighten or loosen the tension adjustment Ⓜolta half-turn at a time on both the right and left side of the bike. Turn the adjustment bolts the same amount on both sides of the track to tension the track evenly and keep the track aligned (track alignment should be performed before measuring and adjusting track tension).
Turning the adjustment bolts on each side of the bike to the right will push the rear axle back and tighten track tension.
Turning the adjustment bolts on each side of the bike to the left will allow the rear axle to move forward toward the front of the bike putting less tension on the track.
- Re-tighten the adjustment bolt's jam nut.
- Torque the axle bolt once again.
TORQUE
Axle Bolt
36.9 ft-lbs (50 N·m)
- With the bike still secure and the track off the ground, rotate the track several times by hand or by running the engine in gear for several seconds. Then stop or turn the bike off. (It takes several track revolutions for track adjustment to take effect.)
- Measure the track tension again (see Measuring Track Tension).
If the slack measurement is within the proper slack measurement range, your track tension is set properly.
If the tension is still too loose or too tight, repeat the steps above until your track tension is set properly.
- Once the track tension is set, check to ensure the track is still properly aligned. To check and adjust track alignment, see the Track Alignment section.
SKI MAINTENANCE
Timbersled recommends periodically inspecting your ski for damage.
- Check the ski bolt to make sure it is tight. Torque to specification.
TORQUE
Ski Bolt
33 ft-lbs (45 N·m)

WARNING
Failure to torque fasteners as directed will adversely affect the steering system and may lead to severe injury or death.
- Inspect for cuts or peeled up plastic that will cause the ski to handle poorly
- Inspect for bent, broken, or worn-out ski skags.
- Inspect the ski saddle for bends that may make the ski crooked.
- Inspect the ski rubber to make sure it is not smashed or worn out.
NOTICE
DO NOT tie your bike against the front of the ski. This can permanently be the plastic ski causing your bike to handle poorly.
SKI SKAGS

WARNING
Worn skis and/or skags will adversely affect handling. Loss of vehicle control may result, causing serious injury or death. See your dealer's studding chart for recommended skags.
Check skags before each use of the snow bike to ensure positive steering characteristics. Skags must be replaced when worn to half their original diameter.
TIP
Carbide skags must be replaced if any abnormal wear or chipping is found.
SKAG REPLACEMENT
- Raise and support the front of the snow bike so the ski is approximately 6 inches (15.2 cm) from the ground.
- Remove the attaching nuts and pry the ska@ downward.
- Remove the front end of the skag.
- Remove the rear end of the skag.
- Reverse the steps to install a skag.

RAIL SLIDE WEAR

Timbersled rail slides ① run along the bottom of the rail to prevent track wear. Both the left and right rail slide should be inspected periodically and replaced when necessary.
For ease of inspection, all Timbersled rail slides have a wear limit indicator groove ② to indicate the minimum permissible slide thickness③. Replace the rail slides if they are worn to the to of the groove at any point along their length. Failure to do so may result in permanent damage to the track or rails.

SPINDLE MAINTENANCE
The spindle does not require any maintenance. It is designed to bend if it cor in contact with a rock or stump during operation. Timbersled recommends thoroughly inspecting the assembly for bends or cracks before you ride.
FALL TUNE-UP
For maximum performance, your Timbersled dealer can perform a fall service tune-up. Their experienced and trained service technicians will keep your snow bike in peak operating condition.
MATTE CLEAR COAT CLEANING (IF EQUIPPED)
Matte finish products are prone to trapping dirt, oils and other contaminants. Timbersled recommends cleaning with warm water and a mild dish detergent. Use a soft sponge to gently rub the surface and rinse with clean warm water. F stubborn stains such as grease or oil, use a citrus based cleaner (3M® Citrus Base Cleaner recommended). Spray onto the area to be cleaned and rub with a soft sponge. Allow to sit for a couple of minutes and wash away with clean war water. Repeat as necessary to clean the surface.
NOTICE
Never use a polishing/buffing wax or any sponge that has an abrasive surface. These products will buff the matte surface of the finish resulting in a glossy finish. It is not recommended that you clean matte finishes with a pressure washer as this will further imbed contaminants into the clear coat and possibly damage the labels.
EXTENDED STORAGE
Off-season or extended storage of your snow bike requires preventive measures to aid against deterioration and to prolong the useful life of many components.
CLEANING AND PRESERVATION
Proper storage starts with cleaning, washing, and waxing the cowling, side panels, chassis, and plastic parts. Wipe down remaining surfaces with a damp cloth. Clean and touch up with paint any rusted or previously painted surfaces. Be sure that corrosive salt and acids are removed from surfaces before beginning preservation with waxes and rust inhibitors (grease, oil or paint).
The snow bike should be stored in a dry garage or shed, out of direct sunlight, and covered with a fabric snow bike cover. Plastic tarp may cause condensation to form and damage snow bike components.
TRACK AND SUSPENSION
Moderate track tension should be maintained during summer storage. The snow bike should be supported off the ground to allow the track to hang freely.
Whenever the snow bike is transported:
- Be sure the fuel cap and oil cap are installed correctly.
- Tie the snow bike to the transporting unit securely using suitable straps.
- Remove the ignition key (if equipped) to prevent loss.
NOTICE
Use of a cover is recommended when transporting your vehicle on an trailer.
open
SPECIFICATION
120 SX
| DIMENSIONS | |
| Estimated Dry Weight - Front 16.5 (7.25 kg) | |
| Estimated Dry Weight - Rear 94 (42.6 kg) | |
| Overall Length - pivot to bumper 63 in (160 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 Non O-Ring 70 Link (master link) | |
| Chain Case Chain 520 Non O-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension SX Long Travel | |
| Front Track Shock | FOX® 1.5 ZERO LSC-R |
| Rear Track Shock | FOX® 1.5 ZERO LSC-R |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Mountain Horse |
| Skag Type | MH Race |
| Track Width/Length/Height | 10 in x 120 in x 2.25 in SX |
| FEATURES | |
| Fuel Storage | N/A |
| Fuel Storage Strap | N/A |
| Storage | N/A |
| Install Kits | Fixed Strut / Suspension Strut |
TIMBERSLED RIOT 120
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 110 (50 kg) | |
| Overall Length - pivot to bumper 63 in (160 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Duel Piston, Brembo Master | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension Timbersled RIOT | |
| Front Track Shock Timbersled IFP | |
| Rear Track Shock Timbersled IFP | |
| Rear Travel - Fixed Fit Kit | 13 in (33 cm) |
| Rear Travel - TSS Fit Kit | 21 in (53 cm) |
| Ski Type | Timbersled Traverse |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 120 in x 2.5 in Timbersled RIOT |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
TIMBERSLED RIOT 120 S
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 110 (50 kg) | |
| Overall Length - pivot to bumper 63 in (160 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston, Brembo Master | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension Timbersled RIOT S | |
| Front Track Shock Timbersled IFP | |
| Rear Track Shock | Timbersled IFP |
| Rear Travel - Fixed Fit Kit | 10 in (25.4 cm) |
| Rear Travel - TSS Fit Kit | 18 in (45.7 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 120 in x 2.5 in RIOT |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
TIMBERSLED RIOT 120 LE
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 113 (51.3 kg) | |
| Overall Length - pivot to bumper 63 in (160 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension Timbersled RIOT | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock FOX® QS3® | |
| Rear Travel - Fixed Fit Kit | 13 in (33 cm) |
| Rear Travel - TSS Fit Kit | 21 in (53 cm) |
| Ski Type | Timbersled Traverse |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 120 in x 2.5 in Timbersled RIOT |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
TIMBERSLED RIOT 120 LE S
| DIMENSIONS | |
| Estimated Dry Weight - Front (lbs./kg.) 16 (7.25 kg) | |
| Estimated Dry Weight - Rear (lbs./kg.) 113 (51.3 kg) | |
| Overall Length - pivot to bumper (in./cm.) 63 in (160 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension Timbersled RIOT S | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock | FOX® QS3® |
| Rear Travel - Fixed Fit Kit | 10 in (25.4 cm) |
| Rear Travel - TSS Fit Kit | 18 in (45.7 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 120 in x 2.5 in Timbersled RIOT |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
TIMBERSLED RIOT 120 VELOCITY
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 110 (49.9 kg) | |
| Overall Length - pivot to bumper 636 in (167.6 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension Timbersled RIOT | |
| Front Track Shock Walker Evans RacingTM Velocity | |
| Rear Track Shock | Walker Evans RacingTM Velocity |
| Rear Travel - Fixed Fit Kit | 13 in (33 cm) |
| Rear Travel - TSS Fit Kit | 21 in (53 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 120 in x 2.5 in Timbersled RIOT |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
ARO 129
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 113 (51.3 kg) | |
| Overall Length - pivot to bumper 65.5 in (166.4 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock Timbersled IFP | |
| Rear Track Shock | Timbersled IFP |
| Rear Travel - Fixed Fit Kit | 12 in (30 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 129 in x 2.5 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
ARO 129 S
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 113 (51.3 kg) | |
| Overall Length - pivot to bumper 65.5 in (166.37 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO S | |
| Front Track Shock Timbersled IFP | |
| Rear Track Shock Timbersled IFP | |
| Rear Travel - Fixed Fit Kit | 9 in (22.9 cm) |
| Rear Travel - TSS Fit Kit | 17 in (43.2 cm) |
| Ski Type | Timbersled Traverse |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 129 in x 2.5 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
ARO 129 LE
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.2 kg) | |
| Estimated Dry Weight - Rear 117 (53.1 kg) | |
| Overall Length - pivot to bumper 65.5 in (166.37 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock | FOX® QS3® |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 129 in x 2.5 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
ARO 129 3 LE
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.2 kg) | |
| Estimated Dry Weight - Rear 121 (54.9 kg) | |
| Overall Length - pivot to bumper 65.5 in (166.4 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth - 15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock FOX® QS3® | |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 129 in x 3 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut/Suspension Strut |
ARO 129 3 VELOCITY
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 118 (53.5 kg) | |
| Overall Length - pivot to bumper 65.5 in (166.4 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock Walker Evans RacingTM Velocity Needle | |
| Rear Track Shock | Walker Evans RacingTM Velocity Needle |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 129 in x 3 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
ARO 137
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 121 (54.9 kg) | |
| Overall Length - pivot to bumper 72 in (182.9 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Master Cylinder Brembo RH Hydraulic Adjustable | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock | FOX® QS3® |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 137 in x 2.5 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | ARO Fixed Strut / Suspension Strut |
ARO 137 LE
| DIMENSIONS | |
| Estimated Dry Weight - Front 16 (7.25 kg) | |
| Estimated Dry Weight - Rear 121 (54.8 kg) | |
| Overall Length - pivot to bumper 72 in (182.9 cm) | |
| ENGINE AND DRIVETRAIN | |
| Disc Brake Type Wilwood® Hydraulic Dual Piston | |
| Track Drive Sprocket 6 tooth / 2.86 pitch | |
| Drive Shaft Sprocket 17 tooth - 15t spline | |
| Upper Chain Case Sprocket 18 tooth -15t spline | |
| Lower Chain Case Sprocket 17 tooth - 15t spline | |
| Drive Chain 520 X-Ring 70 Link (master link) | |
| Chain Case Chain 520 X-Ring 52 Link (continuous) | |
| Chain Slider Standard | |
| SUSPENSION | |
| Rear Suspension ARO Long Travel | |
| Front Track Shock FOX® QS3® | |
| Rear Track Shock | FOX® QS3® |
| Rear Travel - Fixed Fit Kit | 12 in (30.5 cm) |
| Rear Travel - TSS Fit Kit | 20 in (50.8 cm) |
| Ski Type | Timbersled Traverse Ski |
| Skag Type | Timbersled Traverse Hardened |
| Track Width/Length/Height | 11.5 in x 137 in x 2.5 in Traverse Track |
| FEATURES | |
| Fuel Storage | Accessory (3.5 gal / 13.2 L) |
| Fuel Storage Strap | Accessory |
| Storage | Accessory |
| Install Kits | Fixed Strut / Suspension Strut |
TORQUE TABLES
RIOT MASTER TORQUE TABLE
| DRIVETRAIN | |
| ITEM | TORQUE |
| Front Chain Slider Fastener | 6 ft-lbs (8 Nm) |
| Chaincase Chain Idler Fastener | 25 ft-lbs (34 Nm) |
| Chaincase Cover Fastener | 6 ft-lbs (8 Nm) |
| Driveshaft / Jackshaft Fasteners | 44 ft-lbs (60 Nm) |
| Bearing Housing Fasteners 18 | ft-lbs (25 Nm) |
| Brake Caliper Mounting Fastener | 18 ft-lbs (25 Nm)Apply Blue Loctite |
| FRONT SPINDLE / SKI | |
| ITEM | TORQUE |
| Spindle Fasteners 37 ft-lbs (50 Nm) | |
| Ski Bolt | 33 ft-lbs (45 Nm) |
| Front Ski Toe Fastener | 13 ft-lbs (18 Nm) |
| Rear Ski Toe Fastener | 4 ft-lbs (6 Nm) |
| Center Ski Skag Fasteners 13 | ft-lbs (18 Nm) |
| Side Ski Skag Fasteners 13 | ft-lbs (18 Nm) |
| Fork Clamp Fasteners 18 ft-lbs (24 Nm) | |
| Axle Bolt | 33 ft-lbs (45 Nm) |
| REAR SUSPENSION | |
| ITEM | TORQUE |
| Torque Arm Mounting Fasteners | 44 ft-lbs (60 Nm) |
| Cross Shaft Fasteners | 44 ft-lbs (60 Nm) |
| Upper Shock Shaft Mounting Fastener | 44 ft-lbs (60 Nm) |
| Lower Shock Mounting Fastener | 44 ft-lbs (60 Nm) |
| Idler Fastener | 44 ft-lbs (60 Nm) |
| Idler Bolt Block Fasteners | 7 ft-lbs (10 Nm) |
| Carrier Wheel Spacer Bushing Set Screw | 35 in-lbs (4 Nm) |
| Rail Slider Fastener | 4 ft-lbs (6 Nm) |
| Rail Tip Fasteners 44 in-lbs (5 Nm) | |
| Rail Bumper Fasteners | Until Screw Protrudes 5 mm ou nut |
| Lubrication Fitting 4 ft-lbs | (6 Nm) |
| FOX QS3 Shaft Nut | 18 ft-lbs (24 Nm) |
| FOX QS3 Reservoir Body 30 | ft-lb (40 Nm) |
| FOX QS3 Body Cap / Eyelet | 50 ft-lb (68 Nm) |
| FOX QS3 Compression Adjuster | 12 ft-lb (16 Nm) |
| FOX QS3 Bearing Cap 22 ft-lbs (30 Nm) | |
| Timbersled IFP Shaft Nut | 22 ft-lbs (30 Nm) |
| CHASSIS | |
| ITEM | TORQUE |
| Sub Frame Mounting Fasteners | 44 ft-lbs (60 Nm)Apply Red Loctite |
| Sub Frame Center Brace Fasteners | 44 ft-lbs (60 Nm) |
| Frame Slide Fasteners | 37 ft-lbs (50 Nm) |
| Chain Adjuster Jam Nut 18 | ft-lbs (25 Nm) |
| Tunnel Fasteners | 9 ft-lbs (12 Nm)Apply Red Loctite |
| Bumper Fasteners | 22 ft-lbs (30 Nm)Apply Red Loctite |
| BRAKES | |
| ITEM | TORQUE |
| Brake Caliper Mounting Fasteners | 18 ft-lbs (25 Nm)Apply Blue Loctite |
| Caliper Body Fasteners 260 | in-lbs (29 Nm) |
| Bleed Screw | 40 in-lbs (4 Nm) |
| Banjo Bolt 15 ft-lbs (20 Nm) | |
| Brake Cover Fastener | 31 in-lbs (3.5 Nm) |
| Master Cylinder Clamp Fasteners | Fastener to be tightened until bottomed on clamp |
| Master Cylinder Reservoir Cover Fasteners | 18 in-lbs (2 Nm) |
| INSTALL KIT | |
| ITEM | TORQUE |
| TSF Lower Strut Rod Fastener | 22 ft-lbs (30 Nm) |
| TSS Lower Shock Fastener | 22 ft-lbs (30 Nm) |
| Upper Shock Mounting Fastener | Torque to OEM manufacturers specifications |
| Swing Arm Pivot Bolt | Torque to OEM manufacturers specifications |
ARO MASTER TORQUE TABLE
| DRIVETRAIN | |
| ITEM | TORQUE |
| Front Chain Slider Fastener | 9 ft-lbs (12 Nm) |
| Chaincase Chain Idler Fastener | 25 ft-lbs (34 Nm) |
| Chaincase Cover Fastener | 9 ft-lbs (12 Nm) |
| Driveshaft / Jackshaft Fasteners | 44 ft-lbs (60 Nm) |
| Bearing Housing Fasteners 18 | ft-lbs (25 Nm) |
| Brake Caliper Mounting Fastener | 18 ft-lbs (25 Nm)Apply Blue Loctite |
| FRONT SPINDLE / SKI | |
| ITEM | TORQUE |
| Spindle Fasteners 37 ft-lbs (50 Nm) | |
| Ski Bolt | 33 ft-lbs (45 Nm) |
| Front Ski Toe Fastener | 13 ft-lbs (18 Nm) |
| Rear Ski Toe Fastener | 4 ft-lbs (6 Nm) |
| Center Ski Skag Fasteners 13 | ft-lbs (18 Nm) |
| Side Ski Skag Fasteners 13 | ft-lbs (18 Nm) |
| Fork Clamp Fasteners 18 ft-lbs (24 Nm) | |
| Axle Bolt | 33 ft-lbs (45 Nm) |
| REAR SUSPENSION | |
| ITEM | TORQUE |
| Torque Arm Mounting Fasteners | 44 ft-lbs (60 Nm) |
| Cross Shaft Fasteners | 44 ft-lbs (60 Nm) |
| Rear Torque Arm to Rear Pivot Fastener | 44 ft-lbs (60 Nm) |
| Idler Fastener | 44 ft-lbs (60 Nm) |
| Idler Bolt Block Fasteners | 7 ft-lbs (10 Nm) |
| Upper Shock Collar Set Screw | 35 in-lbs (4 Nm) |
| Lower Shock Collar Set Screw | 9 ft-lbs (12 Nm) |
| Rail Slider Fastener | 4 ft-lbs (6 Nm) |
| Rail Tip Fasteners 44 in-lbs (5 Nm) | |
| Rail Bumper Fasteners | Until Screw Protrudes 5 mm ou nut |
| FOX QS3 Shaft Nut | 18 ft-lbs (24 Nm) |
| FOX QS3 Reservoir Body 30 | ft-lb (40 Nm) |
| FOX QS3 Body Cap / Eyelet | 50 ft-lb (68 Nm) |
| FOX QS3 Compression Adjuster | 12 ft-lb (16 Nm) |
| FOX QS3 Bearing Cap 22 ft-lbs (30 Nm) | |
| FOX 1.5 Zero LSC-R Shaft Nut | 22 ft-lbs (30 Nm) |
| FOX 1.5 Zero LSC-R Reservoir Body | 30 ft-lbs (41 Nm) |
| FOX 1.5 Zero LSC-R Shock Eyelet | 50 ft-lbs (68 Nm) |
| FOX 1.5 Zero LSC-R Body Cap | 100 ft-lbs (135 Nm) |
| FOX 1.5 Zero LSC-R Bearing Cap | 22 ft-lbs (30 Nm) |
| FOX 1.5 Zero LSC-R Compression Adjuster | 35 ft-lbs (47 Nm) |
| FOX 1.5 Zero LSC-R Rebound Jet Check Valve | 40 in-lbs (4 Nm) |
| FOX 1.5 Zero LSC-R Tamper Proof Air Valve Cap | 5 in-lbs (0.5 Nm) |
| Timbersled IFP Shaft Nut | 22 ft-lbs (30 Nm) |
| CHASSIS | |
| ITEM | TORQUE |
| Sub Frame Mounting Fasteners | 44 ft-lbs (60 Nm)Apply Red Loctite |
| Sub Frame Center Brace Fasteners | 44 ft-lbs (60 Nm) |
| Frame Slide Fasteners | 37 ft-lbs (50 Nm) |
| Chain Adjuster Jam Nut 18 ft-lbs (25 Nm) | |
| Tunnel Fasteners | 9 ft-lbs (12 Nm)Apply Red Loctite |
| Bumper Shaft Fasteners | 18 ft-lbs (25 Nm)Apply Red Loctite |
| BRAKES | |
| ITEM | TORQUE |
| Brake Caliper Mounting Fasteners | 18 ft-lbs (25 Nm)Apply Blue Loctite |
| Caliper Body Fasteners 260 | in-lbs (29 Nm) |
| Bleed Screw | 40 in-lbs (4 Nm) |
| Banjo Bolt 15 ft-lbs (20 Nm) | |
| Brake Cover Fastener | 31 in-lbs (3.5 Nm) |
| Master Cylinder Clamp Fasteners | Fastener to be tightened until bottomed on clamp |
| Master Cylinder Reservoir Cover Fasteners | 18 in-lbs (2 Nm) |
| INSTALL KIT | |
| ITEM | TORQUE |
| TSF Lower Strut Rod Fastener | 22 ft-lbs (30 Nm) |
| TSS Lower Shock Fastener | 22 ft-lbs (30 Nm) |
| Upper Shock Mounting Fastener | Torque to OEM manufacturers specifications |
| Swing Arm Pivot Bolt | Torque to OEM manufacturers specifications |
WARRANTY
TIMBERSLED CONVERSION SYSTEMS LIMITED WARRANTY
POLARIS Sales Inc., 2100 Highway 55, Medina, MN 55340 (POLARIS) gives a 12 MONTH LIMITED WARRANTY on all components of your TIMBERSLED Conversion System against defects in material or workmanship. This warranty covers parts and dealer labor charges for repair or replacement of defective parts and begins on the date of purchase by the original retail purchaser. This warranty is transferable to another owner during the warranty period through a TIMBERSLED dealer, but any such transfer will not extend the original term of the warranty. The duration of this warranty may vary by international region based upon local laws and regulations.
See your dealer for details and separate terms and conditions for any promotional warranties.
REGISTRATION
At the time of sale, the Warranty Registration Form must be completed by you dealer and submitted to TIMBERSLED within ten days of purchase. Upon receipt of this registration, TIMBERSLED will record the registration for warranty. No verification of registration will be sent to the purchaser as the copy of the Warranty Registration Form will be your proof of warranty coverage. If you have not signed the original registration and received the customer copy, please contact your dealer immediately. NO WARRANTY COVERAGE WILL BE ALLOWED UNLESS YOUR CONVERSION SYSTEM IS REGISTERED WITH TIMBERSLED.
WARRANTY COVERAGE AND EXCLUSIONS: LIMITATIONS OF WARRANTIES AND REMEDIES
This TIMBERSLED limited warranty excludes any failures that are not caused by a defect in material or workmanship. THIS WARRANTY DOES NOT COVER CLAIMS OF DEFECTIVE DESIGN. This warranty also does not cover damage caused due to incorrect installation, acts of God, accidental damage, normal wear and tear, abuse or improper handling. This warranty also does not cover any Conversion System, component, or part that has been altered structurally, modified, neglected, improperly maintained, used for racing, competition, or for purposes other than for which it was designed.
This warranty also excludes failures resulting from improper lubrication; surface imperfections caused by external stress, heat, cold or contamination; operator error or abuse; improper component alignment, tension, adjustment; improper maintenance; modified components; use of aftermarket components; unauthorized repairs; repairs made after the warranty period expires or by an unauthorized repair center; use of the product in competition or for commercial purposes. Warranty will not apply to any product which has been damaged by abuse, accident, fire or any other casualty not determined a defect of materials or workmanship.
This warranty excludes coverage for consumable components, general wear items, or any parts exposed to friction surfaces, stresses, environmental conditions and/or contamination for which they were not designed or not intended, including but not limited to the following items:
Skis
Tracks
Suspension Components
Brake Components
Idler Wheels
Ski Wear Rods
Slide Rails
Finished and Unfinished Surfaces
Chains
Hydraulic Components
This warranty provides no coverage for personal loss or expense, including mileage, transportation costs, hotels, meals, shipping or handling fees, product pick-up or delivery, replacement rentals, loss of product use, loss of profits, or loss of vacation or personal time.
THE EXCLUSIVE REMEDY FOR BREACH OF THIS WARRANTY SHALL BE, AT POLARIS' OPTION, REPAIR OR REPLACEMENT OF ANY DEFECTIVE MATERIALS, COMPONENTS, OR PRODUCTS. THE REMEDIES SET FORTH IN THIS WARRANTY ARE THE ONLY REMEDIES AVAILABLE TO ANY PERSON FOR BREACH OF THIS WARRANTY. POLARIS SHALL HAVE NO LIABILITY TO ANY PERSON FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES OF ANY DESCRIPTION, WHETHER ARISING OUT OF EXPRESS OR IMPLIED WARRANTY OR ANY OTHER CONTRACT, NEGLIGENCE, OR OTHER TORT OR OTHERWISE. THIS EXCLUSION OF CONSEQUENTIAL, INCIDENTAL AND SPECIAL DAMAGES IS INDEPENDENT FROM AND SHALL SURVIVE ANY FINDING THAT THE EXCLUSIVE REMEDY FAILED OF ITS ESSENTIAL PURPOSE.
THE IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE IS EXCLUDED FROM THIS LIMITED WARRANTY. ALL OTHER IMPLIED WARRANTIES (INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY) ARE LIMITED IN DURATION TO THE ABOVE 12 MONTH WARRANTY PERIOD. TIMBERSLED DISCLAIMS ALL EXPRESS WARRANTIES NOT STATED IN THIS WARRANTY. SOME STATES DO NOT PERMIT THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR ALLOW LIMITATIONS ON THE DURATION OF IMPLIED WARRANTIES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU IF INCONSISTENT WITH CONTROLLING STATE LAW.
HOW TO OBTAIN WARRANTY SERVICE
If your Conversion System requires warranty service, you must take it to a TIMBERSLED Servicing Dealer. When requesting warranty service you must present your copy of the Warranty Registration to the dealer. (THE COST OF TRANSPORTATION TO AND FROM THE DEALER IS YOUR RESPONSIBILITY). TIMBERSLED suggests that you use your original selling dealer; however, you may use any TIMBERSLED Servicing Dealer to perform warranty service.
In the Country where your product was purchased:
Warranty or Service Bulletin repairs must be done by an authorized TIMBERSLED dealer. If you move or are traveling within the country where your product was purchased, Warranty and Service Bulletin repairs may be requested from any authorized TIMBERSLED dealer that sells the same line as your product.
Outside the Country where your product was purchased:
If you are traveling temporarily outside the country where your product was purchased, you should take your product to an authorized TIMBERSLED dealer. You must show the dealer photo identification from the country of the selling dealer's authorized location as proof of residence. Upon residence verification, the servicing dealer will be authorized to perform the warranty repair.
If you move:
If you move to another country, be sure to contact TIMBERSLED Customer Assistance and the customs department of the destination country before you move. Product importation rules vary considerably from country to country. You may be required to present documentation of your move to TIMBERSLED in order to continue your warranty coverage. You may also be required to obtain documentation from TIMBERSLED in order to register your product in your new country. You should warranty register your product at a local TIMBERSLED dealer in your new country immediately after you move to continue your warranty coverage and to ensure that you receive information and notices regarding your Conversion System.
If you purchase from a private party:
If you purchase a TIMBERSLED product from a private party, to be kept and used outside of the country in which the product was originally purchased, all warranty coverage will be denied. You must nonetheless register your product under your name and address with a local TIMBERSLED dealer in your country to ensure that you receive safety information and notices regarding your product.
EXPORTED PRODUCTS
EXCEPT WHERE SPECIFICALLY REQUIRED BY LAW, THERE IS NO WARRANTY OR SERVICE BULLETIN COVERAGE ON THIS PRODUCT IF IT IS SOLD OUTSIDE THE COUNTRY OF THE SELLING DEALER'S AUTHORIZED LOCATION. This policy does not apply to products that have received authorization for export from TIMBERSLED. Dealers may not give authorization for export. You should consult an authorized dealer to determine this product's warranty or service coverage if you have any questions. This policy does not apply to products registered to government officials or military personnel on assignment outside the country of the selling dealer's authorized location. This policy does not apply to Safety Bulletins.
NOTICE
If your product is registered outside of the country where it was purchased an you have not followed the procedure set above, your product will no longer be eligible for warranty or service bulletin coverage of any kind, other than safety bulletins. Products registered to Government officials or military personnel on assignment outside of the country where the product was purchased will continue to be covered by the Limited Warranty.
Please work with your dealer to resolve any warranty issues. Should your deal require any additional assistance, they will contact the appropriate TIMBERSLED department.
This warranty gives you specific legal rights, and you may also have other right which vary from state to state or in different countries. If any of the above ten are void because of federal, state, local law, all other warranty terms will remain in effect.
For questions call TIMBERSLED Customer Assistance:
United States & Canada: 1-800-POLARIS (1-800-765-2747)
French: 1–800–268–6334
MAINTENANCE LOG
MAINTENANCE LOG
Present this section of your manual to your dealer each time your snowmobile serviced. This will provide you and future owners with an accurate log of maintenance and services performed on the snowmobile.
| DATE | MILES (KM) | TECHNICIAN | SERVICE PERFORMED / COMMENTS |
| 150 mi. (240 km) | |||
| 500 mi (800 km) | |||
| 1000 mi (1600 km) | |||
| 2000 mi (3200 km) | |||
| DATE | HOURS TECHNICIAN | SERVICE PERFORMED / COMMENTS | |
A
Accessories 29
Accessory Warning 24
Avalanche Danger Scale.... 13
Avalanches 13
Awareness.... 17
Warning Signs 15
B
Before Starting the Engine...... 50
Bleeding Hydraulic Brake System 64
Brake Inspection 61
Brake Lever Travel.... 51
Brake pads.... 61
Brakes 51, 61
Brake Fluid.... 63
Components...... 63
Inspection 61
Lever Adjustment 62
Lever Travel 63
System Bleeding 64
Break-In Period 53
C
Cargo Storage 28
Chain Case Chain Adjustment 68
Chain Case Chain 70
Chain Lubrication 59
Cleaning.... 82
Cold Weather Drive-Away 21
Component Location 27
D
Disabled Operators 13
Drive Chain 70
Tension 65
Tension Adjustment...... 67
Tension Measurement 65
Driver Awareness 13
Driving Downhill 21
Driving in Hilly Terrain 21
Driving on Slippery Surfaces ..... 20
Driving Responsibly 22
E
Environment Preservation 7
Excessive Speed.... 12
Exhaust System 60
F
Fluid Level Brake Fluid.... 63
Fuel Premix (Initial Fill) 53
Fuel Recommendation.... 55
Fuel Storage.... 55
H
Host Bike 9
|
Inadequate Snow Conditions ..... 20
Inspection Chain.... 70
Installation 7
M
Maintenance Intervals 57
Maintenance Log.... 111
Maintenance Recommendations..... 9
Maneuverability.... 22
Master Torque Table ARO 101 RIOT 98
Matte Finish 82
Mountainous Terrain Riding 13
0
Oil Recommendations 53
Operating in Deep Snow 20
Operator Safety...... 9-10
P
Pre-Ride Checklist 49
Pre-Ride Suspension Inspection ... 49
Proper Use Warning.... 24
R
Rail Ice Scratchers.... 28
Rail Slide Wear 81
Recommended Maintenance ..... 57
Rider Capacity 10
Riding Apparel 11
Riding Position.... 10
s
Safe Riding Gear.... 10
Safety
Hidden Obstructions...... 13
Safety Symbols 4
Signal Words 4
Skag Replacement 80
Ski
Skags 79
Ski Maintenance.... 78
Slide Rail and Track Cooling ..... 54
Snow Bike System Break-In..... 53
Snow Conditions 20
Specifications
120 SX 85
ARO 129 91
ARO 129 3 LE.... 94
ARO 129 3 VELOCITY 95
ARO 129 LE 93
ARO 129 S.... 92
ARO 137 96
ARO 137 LE 97
RIOT 120.... 86
Timbersled RIOT 120 LE 88
Timbersled RIOT 120 LE S ..... 89
Timbersled RIOT 120 S ...... 87
Timbersled RIOT 120
VELOCITY 90
Spindle bolts.... 49
Spindle Maintenance.... 81
Steering System Inspection ..... 50
Storage
Cleaning.... 82
Preservation...... 82
Seasonal 82
Track Care 82
Storage, Daily 55
Survival Preparation...... 12
Suspension Inspection, Pre-Ride 49
Suspension Maintenance 60
Suspension mounting bolts...... 49
Suspension Settings
ARO Models.... 33
RIOT Models 39
Spring Preload 32
Suspension Setup 44
ARO LE 35
ARO Standard 33
ARO Velocity 37
Overview 31
Timbersled RIOT LE...... 41
Timbersled RIOT Standard ..... 39
Timbersled RIOT Velocity ..... 43
TSS Tuning 46
SX Models 44
T
Temperature Charts 23
Tools.... 28
Towing Warning 24
Track
Alignment 72
Inspection 72
Lubrication 60
Tension 75
Track Inspection 51
Track Lug Separation, Deep
Lugs.... 54
Track Maintenance 72, 75
Track Warm-Up.... 53
Transporting the Snow Bike ..... 82
Tune-Up 81
V
Vehicle Identification Numbers ..... 8
W
Warning Symbols 4
Warranty.... 105
Welcome Page 3
Windchill Charts 23

For your nearest Polaris dealer,
call 1-800-POLARIS (765-2747)
or visit www.polaris.com
Polaris Industries Inc.
2100 Highway 55
Medina, MN 55340

Part No. 9931501 Rev 01
Printed in USA




