The 2004 Yamaha YZ250(S)/LC is a high-performance motocross motorcycle renowned for its potent 2-stroke powerband, nimble handling, and robust build quality. As a consistent favorite in its class, the YZ250 platform has a long and storied history in off-road racing, with the 2004 model representing a mature iteration of this successful design. It is engineered for motocross racers and off-road enthusiasts seeking a competitive edge, offering a blend of advanced technology and reliable performance that has earned it accolades in the industry.

This comprehensive service and repair manual provides essential technical data and procedural guidance for the 2004 Yamaha YZ250 motorcycle. It covers a wide range of systems, including detailed breakdowns of the engine, transmission, chassis, brakes, electrical components, and fuel system. The manual offers step-by-step instructions for maintenance, troubleshooting, and complete rebuilds, ensuring owners and technicians can effectively maintain and repair the vehicle for optimal performance and longevity. It includes critical information such as torque specifications, special tool requirements, and diagnostic procedures.