Yamaha TT-R110EY TT-R 2009 Owner's Manual

The recommended oil type for the Yamaha TT-R110EY TT-R 2009 is SAE 10W-40, and the oil capacity is approximately 1.0 liter (1.06 US qt).
The air filter should be checked and cleaned every 20 hours of riding or more frequently if you are riding in dusty conditions. Replace it if it is damaged or excessively dirty.
The recommended tire pressure for the Yamaha TT-R110EY TT-R 2009 is 15 psi for the front tire and 15 psi for the rear tire.
Check the fuel level and ensure the fuel valve is open. Inspect the spark plug for damage or fouling, and ensure the battery is charged. Verify that the kill switch is in the "Run" position.
To adjust the chain tension, ensure the bike is on a stand. Loosen the axle nut, adjust the chain tension using the adjusters on each side of the swingarm, and ensure there is 1.2-1.6 inches (30-40 mm) of slack. Retighten the axle nut.
Regularly check the brake pads for wear and replace them if necessary. Ensure the brake fluid is at the correct level and replace it every two years. Inspect the brake lines for any signs of damage.
Stop the bike and let it cool down. Check the coolant level, and inspect the radiator and hoses for blockages or leaks. Ensure the cooling fins on the engine are clean and unobstructed.
Clean the bike thoroughly, change the oil, and fill the fuel tank with stabilized fuel. Disconnect the battery and store it in a cool, dry place. Cover the bike with a breathable cover and store it in a dry location.
Common electrical issues include dead batteries and faulty connections. Ensure all connections are clean and tight, and replace the battery if it no longer holds a charge. Check the fuses and replace any that are blown.
Regular maintenance is key. Ensure the air filter is clean, the chain is correctly tensioned, and the tires are at the correct pressure. Consider upgrading the exhaust system and rejetting the carburetor for improved performance.