Yamaha TTR250S C TT R250 2004 Owner's Manual

The recommended oil type for the Yamaha TTR250S C TT R250 2004 is a high-quality 10W-40 motorcycle oil that meets JASO MA standards.
It is recommended to change the oil every 1,000 miles or every 6 months, whichever comes first, to ensure optimal performance and longevity of the engine.
The correct tire pressure for the Yamaha TTR250S C TT R250 2004 is 15 psi for the front tire and 18 psi for the rear tire when riding off-road.
To adjust the chain tension, first place the bike on a stand, loosen the rear axle nut, adjust the chain adjusters evenly on both sides, and ensure the chain slack is within the recommended range of 30-40mm. Tighten the axle nut securely after adjustment.
The recommended spark plug for the Yamaha TTR250S C TT R250 2004 is the NGK DR8EA. Ensure it is gapped correctly to 0.7-0.8mm.
If your bike is having starting issues, check the battery charge, ensure the fuel petcock is open, inspect the spark plug for fouling, and verify that the kill switch is in the 'Run' position.
The Yamaha TTR250S C TT R250 2004 has a fuel capacity of approximately 2.51 gallons (9.5 liters).
To clean the air filter, remove it from the airbox, gently wash it with a mild detergent and water, allow it to dry completely, and then apply a light coating of air filter oil before reinstalling.
If the bike overheats, stop riding immediately to allow the engine to cool down. Check the coolant level and ensure the radiator is not obstructed. Investigate for leaks or faulty components and address them as needed.
Valve clearance should be checked every 6,000 miles or if you notice excessive engine noise or performance issues. Adjust as necessary to maintain optimal engine performance.