The Yamaha TT-350 is a versatile dual-purpose motorcycle, also known as a dual sport or enduro bike, produced from 1985 to 2000. Designed for riders who seek both trail capability and street legality, it offers a robust and reliable platform with a good power-to-weight ratio. Its engineering emphasizes accessible performance and durability, making it suitable for adventure touring and light commuting. The TT-350 features a four-stroke, single-cylinder, air-cooled engine with approximately 347cc displacement, a 5-speed transmission, and is equipped with hydraulic disc brakes front and rear for effective stopping power.

This service manual provides comprehensive guidance for the maintenance, diagnosis, and repair of the Yamaha TT-350. It covers essential areas including routine maintenance, engine overhaul, fuel system servicing, ignition system diagnostics, transmission and drivetrain care, suspension and brake system repairs, and electrical system troubleshooting. The manual is designed for qualified technicians and experienced DIY mechanics, offering detailed procedures, torque specifications, and troubleshooting flowcharts to ensure the longevity and optimal performance of the motorcycle.