Honda TRX420FE ES 4X4 FourTrax Rancher 2011 Manual
![Honda TRX420FE ES 4X4 FourTrax Rancher 2011 ATV manual cover](/images/jhbHOedaLiJgHMNInqvcYbAQ/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine, then turn it off. Remove the drain plug and let the oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and fill the engine with the recommended oil type and amount. Check the level with the dipstick.
The recommended tire pressure for the front tires is 4.4 psi and for the rear tires is 3.6 psi. Always check the pressure with a reliable gauge before riding.
Start by checking the battery connections for corrosion or looseness. Ensure the fuses are intact. If the battery is charged but the ATV won't start, inspect the starter relay and ignition switch. Using a multimeter can help diagnose more complex electrical issues.
Ensure the ATV is in neutral and the kill switch is in the 'run' position. Check the battery for charge and connections. If it still won't start, inspect the spark plug for wear or fouling and replace if necessary.
The air filter should be checked every 100 hours or 600 miles and replaced if dirty or damaged. If you ride in dusty conditions, consider checking it more frequently.
Use 10W-30 or 10W-40 oil that meets the API service classification of SG or higher, and is JASO T 903 MA certified.
For the front brakes, adjust the free play by turning the adjusting bolt on the brake lever. For the rear brakes, use the adjusting nut located near the rear brake pedal. Ensure proper clearance and test the brakes after adjustment.
Regular maintenance includes checking and changing the oil, inspecting the air filter, checking tire pressure, lubricating the drive chain, and inspecting brake pads and cables. Refer to the owner's manual for specific intervals.
Maintain proper tire pressure, perform regular maintenance, and avoid carrying unnecessary weight. Smooth acceleration and avoiding excessive idling can also help improve fuel efficiency.
Check the transmission fluid level and ensure it is at the correct level. Inspect the shift linkage for proper adjustment. If the problem persists, consult a professional mechanic for further diagnosis.