FourTrax Rancher TRX420TM1 (2019) - Motorcycle Honda - Free user manual and instructions
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| Product Type | All-Terrain Vehicle (ATV) |
| Brand | Honda |
| Model | FourTrax Rancher TRX420TM1 (2019) |
| Engine Type | 420cc liquid-cooled OHV 4-stroke single-cylinder |
| Fuel System | Electronic Fuel Injection (EFI) |
| Transmission | Manual foot shift with Reverse |
| Drivetrain | Shaft drive with selectable 2WD/4WD |
| Front Brakes | Dual hydraulic discs |
| Rear Brakes | Sealed multi-drum |
| Front Suspension | Independent double-wishbone with 6.7 in travel |
| Rear Suspension | Swingarm with 7.3 in travel |
| Front Tires | 25 x 8-12 |
| Rear Tires | 25 x 10-12 |
| Overall Length | 82.5 in (2096 mm) |
| Overall Width | 46.5 in (1181 mm) |
| Overall Height | 46.1 in (1171 mm) |
| Wheelbase | 50.4 in (1280 mm) |
| Ground Clearance | 9.8 in (249 mm) |
| Curb Weight | 636 lb (288 kg) |
| Fuel Capacity | 3.8 gal (14.4 L) |
| Towing Capacity | 850 lb (386 kg) |
| Lighting | Halogen headlights and taillight |
| Instrumentation | Speedometer, odometer, trip meter, gear position indicator |
| Starting System | Electric start |
| Maintenance Intervals | Oil change every 100 hours or 1000 miles; valve adjustment at 600 miles |
Frequently Asked Questions - FourTrax Rancher TRX420TM1 (2019) Honda
What engine oil does the Honda FourTrax Rancher TRX420TM1 use?
Use SAE 10W-30 or SAE 10W-40 motorcycle oil (API SG or higher, JASO MA). Change every 100 hours or 1000 miles.
How do I switch between 2WD and 4WD?
Move the 2WD/4WD selector on the left handlebar to the desired position. Do not shift while moving faster than 6 mph.
What is the correct tire pressure for the Rancher 420?
Front tires: 18 psi (1.25 kgf/cm²), rear tires: 18 psi (1.25 kgf/cm²). Always check when cold.
How often should I change the transmission oil?
Change transmission oil (SAE 80W-90 GL-5) every 2 years or 2000 miles. Also replace the filter screen.
Why won't my Rancher start?
Check the battery connections, ensure the kill switch is in the RUN position, and confirm the parking brake is off. If the engine cranks but no start, inspect the fuel level and spark plug.
How do I clean the air filter?
Remove the seat and air filter cover. Wash the foam filter with non-flammable solvent, let dry, then apply air filter oil. Reinstall every 100 hours or after dusty rides.
What is the recommended coolant?
Use a 50/50 mix of distilled water and ethylene glycol based coolant (silicate-free). Change every 2 years.
How do I adjust the drive chain tension?
The Rancher 420 has a shaft drive, so there is no chain to adjust. Check final drive oil level periodically.
What is the towing capacity of the TRX420TM1?
The maximum towing capacity is 850 lb (386 kg). Use a proper trailer hitch and do not exceed the limit.
How do I store the ATV for winter?
Fill the fuel tank, add fuel stabilizer, change the oil, clean the ATV, disconnect the battery, and store in a dry place. Inflate tires to recommended pressure.
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