Yamaha TR8NTSM 2021 Operator's Manual
![Yamaha TR8NTSM 2021 manual cover](/images/51e3cf27041d15a460333032/thumbs/thumb175x175.webp)
To perform an oil change, warm up the engine, place the bike on a stand, remove the drain plug and old oil filter, allow the oil to drain completely, install a new oil filter, and replace the drain plug. Finally, refill with the recommended oil type and quantity.
Check the battery charge and connections, ensure the fuel valve is open, inspect the spark plug for wear or damage, verify the kill switch is in the correct position, and make sure there is sufficient fuel.
The air filter should be inspected every 3,000 miles and replaced every 12,000 miles or sooner if it appears dirty or damaged.
The recommended tire pressure is typically around 36 psi for the front tire and 42 psi for the rear tire. Always refer to the owner's manual for the exact specifications.
Begin by checking the fuses, battery connections, and wiring for any visible damage. Use a multimeter to test the voltage and continuity of the electrical components. Consult the service manual for detailed diagnostics.
Loosen the rear axle nut, adjust the tensioning bolts on either side of the swingarm to achieve the proper slack, which is usually around 1-1.5 inches, then retighten the axle nut and ensure the wheel alignment is correct.
Regularly inspect the suspension for leaks, clean the fork tubes, and check the suspension settings for proper adjustment. Fork oil should be replaced every 15,000 miles or as recommended in the service manual.
To reset the service light, turn the ignition on, navigate to the service menu using the control buttons, and select the reset option. Refer to the owner’s manual for specific instructions as they may vary by model.
Remove the fuel injectors from the engine, use a specialized fuel injector cleaner kit to clean them thoroughly, and reinstall them carefully. It is recommended to have this procedure done by a professional if unsure.
To improve fuel efficiency, maintain proper tire pressure, regularly service the engine, use high-quality fuel, avoid aggressive riding, and ensure the air filter is clean.