Yamaha YFM80WS Raptor 2004 Owner's Manual
![Yamaha YFM80WS Raptor 2004 manual cover](/images/86d9636a2582e9dbd5152094/thumbs/thumb175x175.webp)
For the Yamaha YFM80WS Raptor 2004, it is recommended to use a high-quality 10W-40 4-stroke motorcycle oil. Ensure the oil meets the JASO MA standard for optimal performance.
The air filter should be inspected and cleaned every 20 hours of operation or more frequently in dusty conditions. Replace it if it shows signs of excessive wear or damage.
The recommended tire pressure for the Yamaha YFM80WS Raptor 2004 is 4 psi (27.6 kPa) for both front and rear tires. Regularly check and adjust the pressure for optimal handling.
If experiencing starting issues, check the battery charge, inspect the spark plug for fouling, ensure the fuel is fresh, and verify that the kill switch is in the "run" position.
The recommended spark plug for the Yamaha YFM80WS Raptor 2004 is NGK DR8EA. Ensure it is properly gapped to 0.6-0.7 mm before installation.
To adjust the chain tension, first loosen the rear axle nut, then adjust the chain tensioners on either side of the swingarm evenly until the chain has 10-15 mm of slack. Retighten the axle nut securely.
Regular maintenance should include checking and changing the oil, inspecting the brakes, cleaning the air filter, checking the chain tension, and inspecting tires for wear and proper pressure.
To enhance performance, consider upgrading the exhaust system, using a high-performance air filter, and rejetting the carburetor for better fuel-air mixture. Regular maintenance also ensures optimal performance.
The Yamaha YFM80WS Raptor 2004 has a fuel capacity of approximately 1.8 gallons (6.8 liters). It is advisable to use unleaded gasoline with a minimum octane rating of 87.
For long-term storage, clean the vehicle thoroughly, change the oil, drain the fuel system or add a fuel stabilizer, disconnect the battery, and store the ATV in a dry, cool place. Cover it to protect against dust and debris.