XR125 (2005) - Motorcycle Honda - Free user manual and instructions
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| Type | Motorcycle |
| Brand | Honda |
| Model | XR125 (2005) |
| Category | Dual-sport / Enduro |
| Engine Displacement | 124 cc |
| Engine Type | 4-stroke, air-cooled, single cylinder |
| Max Power | Approximately 10.5 hp (7.8 kW) |
| Transmission | 5-speed manual |
| Fuel System | Carburetor |
| Starter | Kick start |
| Weight (Curb) | Approximately 115 kg |
| Seat Height | Approximately 870 mm |
| Fuel Capacity | 9.5 liters |
| Front Brake | Disc |
| Rear Brake | Drum |
| Front Tire Size | 90/90-21 |
| Rear Tire Size | 120/80-18 |
| Front Suspension | Telescopic fork |
| Rear Suspension | Swingarm with mono-shock |
| Year | 2005 |
| Maintenance Interval | Every 4000 km or 6 months |
| Oil Capacity | Approximately 1.2 liters (with filter change) |
| Recommended Oil | SAE 10W-30 or 10W-40, API SG or higher |
| Spark Plug | NGK DPR8EA-9 or equivalent |
| Chain Size | 520 O-ring chain, 110 links |
Frequently Asked Questions - XR125 (2005) Honda
What type of oil should I use for my Honda XR125 (2005)?
Use SAE 10W-30 or 10W-40 motorcycle oil that meets API SG or higher. The capacity is about 1.2 liters with filter change.
What is the correct tire pressure for the XR125?
Front: 22 psi (150 kPa), Rear: 22 psi (150 kPa) for off-road; 25 psi (170 kPa) front and 29 psi (200 kPa) rear for road use. Always check for your specific load.
How do I start the motorcycle?
Ensure fuel is on, choke if cold, turn ignition key to ON, and kick start firmly. Do not use electric starter (not fitted).
What spark plug does the XR125 use?
Use NGK DPR8EA-9 or equivalent. Gap should be 0.7-0.8 mm.
How to adjust the chain?
Chain slack should be 25-35 mm at the middle of the lower run. Loosen axle nut and adjusters, tighten evenly, then retorque axle nut.
What is the break-in procedure for a new engine?
For the first 500 km, avoid full throttle and sustained high RPM. Vary speed, and change oil after break-in.
How to store the motorcycle for winter?
Clean thoroughly, fill fuel tank and add stabilizer, change oil, remove battery and charge, inflate tires, and cover in a dry place.
Why won't my XR125 start?
Check fuel supply (petcock on, fuel fresh), spark (plug clean, battery connections for electric models), compression, and choke operation.
What is the recommended fuel octane?
Use unleaded gasoline with a minimum octane rating of 91 RON (or 87 AKI).
How often should I change the engine oil?
Every 4000 km or 6 months, whichever comes first. More often under severe conditions.
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