Honda TRX90X Sportrax 90X 2016 Manual
![Honda TRX90X Sportrax 90X 2016 ATV manual cover](/images/HhOeFemPmKxYIUfEshItZXRA/thumbs/thumb175x175.webp)
It is recommended to change the oil every 100 hours of operation or once a year, whichever comes first. Regular oil changes help maintain engine performance and longevity.
Honda recommends using SAE 10W-30, JASO T 903 MA standard oil for optimal performance. Always check the owner's manual for the most accurate specifications.
To adjust the chain tension, loosen the axle nut and adjust the chain adjusters evenly on both sides until the chain has about 1/2 inch of slack at the tightest point. Tighten the axle nut securely after adjustment.
First, check the fuel level and ensure the fuel valve is ON. Verify the battery is charged and connections are clean. Check the kill switch position and inspect the spark plug for wear or fouling.
Remove the air filter cover and take out the filter. Wash it with a mild detergent and water, then let it dry completely. Apply a light coat of air filter oil before reinstalling it.
Regular maintenance such as keeping the air filter clean, ensuring proper tire inflation, and maintaining the correct chain tension can help improve fuel efficiency. Riding at moderate speeds also saves fuel.
The recommended tire pressure is 4 psi for both front and rear tires. Always check the pressure when the tires are cold for the most accurate reading.
Begin by checking the battery connections for corrosion. Inspect fuses and replace any that are blown. Check wiring harnesses for visible damage and confirm that all connectors are secure.
Stop the engine immediately and allow it to cool down. Check the coolant level and inspect the radiator for obstructions. Ensure there is adequate airflow to the engine and that the cooling fan operates properly.
Inspect the brakes before each ride for wear and proper function. Check the brake fluid level periodically and replace brake pads when they show significant wear.