Honda TRX420FE ES 4X4 FourTrax Rancher 2012 Manual
![Honda TRX420FE ES 4X4 FourTrax Rancher 2012 ATV manual cover](/images/TTcSKQDcbjuXzZrIyQXTuUcV/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure the oil flows out smoothly. Turn off the engine and place the ATV on a level surface. Remove the oil fill cap and drain plug to let the old oil drain into a pan. Replace the drain plug and fill the engine with the recommended oil type and amount. Finally, check the oil level with the dipstick and replace the oil fill cap.
Honda recommends using Pro Honda GN4 4-stroke oil or an equivalent high-quality 10W-30 or 10W-40 motorcycle oil. Make sure the oil meets the specifications outlined in your owner's manual.
If your electric shift is not functioning, first check the battery connections to ensure they are clean and tight. Next, inspect the shift motor and wiring for damage or corrosion. If the problem persists, you may need to reset the shift control module by disconnecting the battery for a few minutes. If these steps don't resolve the issue, consult a professional mechanic.
The recommended tire pressure for the Honda TRX420FE is typically 4 psi for the front tires and 3 psi for the rear tires. Always refer to the owner's manual for the most accurate specifications, and check the pressure regularly to ensure optimal performance and safety.
Remove the air filter cover and take out the air filter. Clean the filter with a mild detergent and water, then let it dry completely. Apply air filter oil if required. Reinstall the filter and cover, ensuring a proper fit to prevent debris from entering the engine. Regular cleaning is essential for optimal engine performance.
If your ATV won't start, check the battery connections and charge the battery if necessary. Ensure the fuel valve is turned on and there is sufficient fuel in the tank. Inspect the spark plug and replace it if worn or fouled. If the problem persists, it may require inspection by a qualified technician.
Regular maintenance should be performed according to the schedule in your owner's manual, typically every 100 hours of operation or annually, whichever comes first. This includes oil changes, air filter cleaning, brake inspections, and other essential checks to ensure the ATV remains in optimal condition.
To adjust the brakes, locate the brake adjusting nuts near the wheels. Turn the nuts clockwise to tighten and counter-clockwise to loosen. Ensure the brakes engage smoothly without dragging and test them in a safe area to confirm proper adjustment.
Signs that the drive belt may need replacement include slipping during acceleration, unusual noises, visible cracks, or excessive wear. Regularly inspect the belt for wear and replace it according to the intervals specified in your owner's manual or if any of these signs are present.
To store your ATV for the winter, clean it thoroughly and apply a protective wax. Change the oil and filter, fill the fuel tank and add a fuel stabilizer. Disconnect the battery and store it in a cool, dry place. Elevate the ATV off the ground to prevent flat spots on the tires, and cover it with a breathable cover.