Honda TRX420FA5 4X4 FourTrax Rancher 2018 Manual

Honda TRX420FA5 4X4 FourTrax Rancher 2018 ATV manual cover

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Year 2018

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Honda TRX420FA5 4X4 FourTrax Rancher 2018 ATV Specification

The Honda TRX420FA5 4X4 FourTrax Rancher 2018 ATV is engineered for both rugged utility and recreational use, offering a balance of performance and versatility. It features a 420cc liquid-cooled, fuel-injected OHV single-cylinder four-stroke engine designed for reliable power delivery and efficient fuel consumption. The automatic Dual Clutch Transmission (DCT) provides smooth shifting and the flexibility to switch between automatic and manual modes, enhancing control under various terrains. The electric shift program (ESP) allows for easy gear changes at the push of a button, providing an intuitive riding experience.

The TRX420FA5 is equipped with an independent rear suspension (IRS) system, which improves traction and comfort on uneven surfaces. The front suspension consists of an independent double-wishbone design with 7.28 inches of travel, while the rear features a single shock with 8.46 inches of travel, ensuring a smooth and stable ride. The ATV includes a selectable 2WD/4WD drive system, allowing for adaptability in different conditions.

The braking system comprises dual hydraulic disc brakes in the front and a sealed mechanical drum brake at the rear, providing reliable stopping power. The ATV is built on a durable steel frame, with dimensions that include an overall length of 82.8 inches, width of 47.4 inches, and height of 46.2 inches, offering a manageable size for various tasks. The seat height is 33.9 inches, and the wheelbase measures 49.9 inches, contributing to its stability and ease of handling. The fuel tank capacity is 3.9 gallons, including a 1.3-gallon reserve, ensuring ample range for extended rides.

With a towing capacity of 848 pounds and a front and rear cargo rack capacity of 66 and 133 pounds respectively, the Honda TRX420FA5 combines functionality with robust performance, making it a reliable companion for both work and play.

Honda TRX420FA5 4X4 FourTrax Rancher 2018 ATV F.A.Q.

How do I perform a basic oil change on the Honda TRX420FA5 4X4 FourTrax Rancher 2018?

To perform an oil change, first warm up the engine to allow the oil to drain smoothly. Turn off the engine and place an oil pan underneath. Remove the oil drain plug and let the oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and refill the engine with the recommended oil type and amount as specified in the owner's manual.

What should I do if my Honda TRX420FA5 doesn't start?

If the ATV doesn't start, check the battery connections to ensure they are clean and tight. Verify that the fuel is fresh and the fuel valve is on. Inspect the spark plug for wear or damage and replace if necessary. Ensure the gear is in neutral and the kill switch is in the 'run' position. If the problem persists, consult a professional mechanic.

How often should I replace the air filter on my TRX420FA5 Rancher?

The air filter should be inspected and replaced every 20 hours of use or more frequently if you operate the ATV in dusty conditions. A clean air filter ensures optimal engine performance and longevity.

What type of fuel is recommended for the Honda TRX420FA5?

Use unleaded gasoline with a pump octane rating of 86 or higher. Avoid using gasoline with more than 10% ethanol content, as it can damage the fuel system.

How can I troubleshoot a rough idle on my TRX420FA5?

Check the air filter for dirt and the spark plug for fouling. Ensure the fuel is fresh and the fuel lines are not clogged. Inspect the throttle cable for proper adjustment. If the issue persists, the carburetor may need cleaning or adjustment.

What is the recommended tire pressure for the Honda TRX420FA5 FourTrax Rancher?

The recommended tire pressure is 4.0 psi for the front tires and 3.6 psi for the rear tires. Always check the tire pressure when the tires are cold for an accurate reading.

How do I engage the 4x4 mode on my TRX420FA5 Rancher?

To engage the 4x4 mode, make sure the ATV is moving at low speed or stopped. Use the selector switch on the handlebar to choose the 4x4 mode. Confirm the 4x4 indicator is illuminated on the dashboard to ensure engagement.

What maintenance schedule should I follow for my Honda TRX420FA5?

Regular maintenance includes checking the oil level before each use, inspecting the brakes, chain, and suspension monthly, and changing the oil and filter every 100 hours or annually. Refer to the owner's manual for a complete maintenance schedule.

How can I adjust the suspension on my TRX420FA5 for a smoother ride?

Adjust the suspension preload by turning the spring preload adjuster located on the shock absorbers. For a softer ride, decrease the preload by turning the adjuster counterclockwise. Make adjustments incrementally and test ride to find the optimal setting.

What should I do if my Honda TRX420FA5 is overheating?

If the ATV overheats, stop the engine and let it cool down. Check the coolant level and add coolant if necessary. Ensure the radiator is clean and free from obstructions. Inspect the fan for proper operation. If overheating continues, have the cooling system inspected by a professional.