This manual covers the KTM 125 SX, 200 SX, 125 MXC, 200 MXC, 125 EXC, and 200 EXC models produced between 1999 and 2003. These performance-oriented two-stroke motorcycles are renowned for their robust engineering, strong power delivery, and exceptional handling, reflecting KTM's deep heritage in off-road motorsport. Designed for demanding motocross and enduro applications, these models offer a potent combination of agility and power, making them highly sought after by riders and racers. The quality of their construction and the focus on rider control have cemented their reputation in the competitive off-road market.

This workshop service repair manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your KTM 125/200 series motorcycle. It details procedures for all major systems, including the engine, transmission, suspension, brakes, and electrical components. With step-by-step instructions, diagnostic flowcharts, and technical specifications, this manual is an indispensable resource for enthusiasts, private owners, and professional technicians. It empowers users to perform routine servicing, complex overhauls, and detailed diagnostics, ensuring the optimal performance and longevity of their vehicle.