The Yamaha YZ250(R)/LC, produced in 2003, is a performance-oriented motocross and off-road motorcycle renowned for its powerful 2-stroke, liquid-cooled engine and agile handling. As an iconic model in Yamaha's distinguished racing heritage, the YZ250 has consistently been a benchmark in its class, praised by media and recognized with numerous awards in racing championships. Its design prioritizes rider control and sharp performance, making it a favored choice for motocross racers and off-road enthusiasts seeking a competitive edge.

This Service Repair Manual provides comprehensive guidance for the Yamaha YZ250(R)/LC. It covers all essential systems, including the engine, transmission, chassis, suspension, brakes, electrical system, fuel system, and cooling system. Detailed procedures for maintenance, repair, and troubleshooting are included, along with technical specifications and wiring diagrams. This manual is designed to assist owners, mechanics, and technicians in effectively maintaining and repairing the vehicle, ensuring optimal performance and longevity.