This manual covers the 125 MXC, a high-performance off-road motorcycle produced for the model years 1999 through 2003. Renowned for its lightweight design, agile handling, and potent 125cc two-stroke engine, the 125 MXC was engineered for competitive motocross and enduro riding. The legacy in off-road motorsports underpins the "Ready to Race" philosophy evident in this model, which was designed to excel against contemporaries like the Yamaha YZ125, Suzuki RM125, Honda CR125R, and Kawasaki KX125. The vehicle features a liquid-cooled engine, a 6-speed transmission, WP suspension components, and robust hydraulic disc brakes, all built upon a strong chromoly steel frame.

This factory service repair manual provides comprehensive, workshop-level documentation for the 125 MXC. It details all major mechanical, electrical, and chassis systems, including in-depth procedures for engine overhaul, transmission maintenance, suspension servicing, and brake system repairs. The manual covers routine maintenance tasks, troubleshooting common issues, and complete engine rebuilds, offering the same information authorized technicians utilize. Its purpose is to empower owners and mechanics to effectively maintain, diagnose, and repair the motorcycle, ensuring optimal performance and longevity.