Yamaha TT-R125LE A 2011 Owner's Manual

The recommended oil type for the Yamaha TT-R125LE 2011 is Yamalube 4, 10W-40 or any equivalent high-performance, four-stroke engine oil.
It is recommended to change the oil every 600 miles or 6 months, whichever comes first, to ensure optimal engine performance.
The correct spark plug for the Yamaha TT-R125LE 2011 is NGK CR7HSA or a compatible equivalent.
If the Yamaha TT-R125LE 2011 won't start, check the fuel supply, inspect the spark plug for fouling, ensure the kill switch is in the 'run' position, and verify that the battery is charged.
The recommended tire pressure for the Yamaha TT-R125LE 2011 is 15 psi for the front tire and 15 psi for the rear tire.
To improve suspension performance, consider adjusting the rear shock preload or upgrading the suspension components to aftermarket options designed for enhanced performance.
Regular maintenance for the Yamaha TT-R125LE 2011 includes oil changes, air filter cleaning, chain lubrication and adjustment, brake inspection, and tire pressure checks.
To adjust the chain tension, loosen the rear axle nut, adjust the chain adjusters evenly on both sides, ensure the chain has about 1.2 inches of slack, and retighten the axle nut.
Common causes of poor throttle response include a dirty carburetor, clogged air filter, worn spark plug, or incorrect valve clearance. Address these areas to improve performance.
To winterize the Yamaha TT-R125LE 2011, clean and lubricate the chain, change the oil, add fuel stabilizer, remove the battery and store it in a warm place, and cover the bike to protect it from dust and moisture.