This manual covers the 2010 KTM 125 SX, 200 SX, 125 EXC, and 200 EXC models, renowned performance off-road motorcycles. KTM's legacy is built on a foundation of racing success, and these models exemplify that heritage with lightweight, powerful two-stroke engines, advanced WP suspension, and agile handling. Designed for motocross and enduro competition, these bikes are engineered for demanding off-road use, offering a potent combination of speed and maneuverability.

This comprehensive factory service manual provides in-depth coverage for all maintenance and repair procedures. It details engine overhauls, transmission servicing, suspension rebuilds, brake system diagnostics, and electrical system troubleshooting. With expert-level technical information, including torque specifications, fluid types, and diagnostic flowcharts, this manual is an essential resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their KTM off-road machines.