This manual covers the KTM 125 SX, 200 SX, 125 EXC, and 200 EXC models produced between 1999 and 2003. These motorcycles are renowned for their lightweight construction, potent 2-stroke engines, and advanced WP suspension, embodying KTM's 'Ready to Race' philosophy. Designed for competitive off-road riding in motocross and enduro disciplines, these models offer exceptional handling and performance, making them a popular choice for riders seeking a high-performance small-displacement machine.

This comprehensive workshop service repair manual provides in-depth technical information essential for the maintenance and repair of your KTM motorcycle. It covers all mechanical and electrical systems, including detailed procedures for engine disassembly and assembly, carburetor tuning, ignition system diagnosis, suspension service, brake maintenance, and chassis lubrication. With systematic troubleshooting guides, torque specifications, and electrical diagrams, this manual is an indispensable resource for owners and technicians aiming to keep these off-road machines in optimal condition.