The Yamaha TZR250 (1KT) is a high-performance 2-stroke sportbike produced in 1987, renowned for its agile handling and advanced engineering for its time. Featuring a liquid-cooled, parallel-twin engine equipped with Yamaha's innovative YPVS (Yamaha Power Valve System), it delivers a broad powerband and impressive torque. Its lightweight aluminum alloy frame, dual front disc brakes, and sophisticated suspension system contribute to its exceptional performance and rider engagement, positioning it as a standout in the sportbike category.

This comprehensive Factory Service Manual (FSM) in English provides detailed information for the service and repair of the 1987 Yamaha TZR250 (1KT). It covers essential areas including scheduled maintenance, in-depth troubleshooting, diagnostics, and complete engine and chassis rebuild procedures. Owners, mechanics, and technicians will find guidance on all major systems, from the 2-stroke engine and fuel system to the electrical, braking, and suspension components. The manual is designed to facilitate the proper maintenance and repair of the vehicle, ensuring its longevity and optimal performance.