This manual covers the KTM 125 SX, 200 SX, 125 MXC, 200 MXC, 125 EXC, and 200 EXC models from the second generation, produced between 1999 and 2003. These high-performance, liquid-cooled two-stroke off-road motorcycles are renowned for their 'Ready to Race' philosophy, featuring potent engines and advanced chassis designs. They are engineered for competitive motocross, cross-country, and enduro riding, offering aggressive power delivery and exceptional handling thanks to their lightweight chromoly steel frames and sophisticated suspension systems.

This comprehensive workshop service repair manual provides detailed guidance for maintaining and repairing your KTM motorcycle. It covers all essential systems, including engine overhauls, transmission service, suspension maintenance, brake system repairs, and electrical diagnostics. With step-by-step instructions, troubleshooting charts, torque specifications, and information on special tools, this manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure optimal performance and longevity of their 1999-2003 KTM 125/200 SX, MXC, and EXC models.