Yamaha TT-R110EL TT-R110E 2020 Owner's Manual

The recommended engine oil type for the Yamaha TT-R110E 2020 is SAE 10W-40, API service classification of SJ or higher.
It is recommended to change the oil every 6 months or after 1,000 km (600 miles), whichever comes first.
To adjust the chain tension, ensure there is about 30-40 mm (1.2-1.6 inches) of slack at the midpoint of the chain. Adjust the chain adjusters evenly on both sides of the swingarm.
Common causes for hard starting include a fouled spark plug, incorrect fuel mixture, or a clogged air filter. Check these components and replace or clean as necessary.
The recommended tire pressure is 100 kPa (1.0 kgf/cm², 14 psi) for the front tire and 100 kPa (1.0 kgf/cm², 14 psi) for the rear tire.
Remove the air filter from the air box, wash it in solvent, let it dry completely, and then apply air filter oil before reinstalling.
The Yamaha TT-R110E 2020 uses an NGK CR6HSA spark plug.
Inspect the brake pads for wear, ensure the brake lever has adequate pressure, and check the brake fluid level in the reservoir. Replace or adjust components as necessary.
The fuel capacity of the Yamaha TT-R110E 2020 is 4.5 liters (1.2 US gallons).
To enhance performance, consider upgrading the exhaust system, installing a high-flow air filter, and re-jetting the carburetor for optimal air-fuel mixture.