This manual covers the Yamaha RD250LC and RD350LC, iconic sport motorcycles produced from 1980 to 1982. These models, known for their advanced liquid-cooled, parallel-twin, two-stroke engines and the Yamaha Power Valve System (YPVS) on some variants, delivered class-leading performance and agile handling. Building on Yamaha's reputation for sporty engineering, the LC series offered a significant leap in performance over their air-cooled predecessors, making them highly influential in the sportbike segment of their time. Their robust steel frame construction, powerful disc brakes, and six-speed transmissions contributed to their reputation for speed and dynamic capability.

This comprehensive workshop service repair manual provides essential information for the maintenance and repair of your Yamaha RD250LC or RD350LC. It details procedures for all major systems, including the engine, transmission, braking, fuel, cooling, and electrical systems. Within its pages, you will find step-by-step instructions for routine maintenance, detailed repair processes for component overhauls, troubleshooting guides for diagnosing issues, and critical technical specifications such as torque values and clearances. This manual is an indispensable resource for owners and technicians aiming to preserve the performance and longevity of these celebrated motorcycles.