This manual covers the KTM 125SX and 150SX motocross competition motorcycles produced for the 2016 and 2017 model years. These performance-oriented machines are engineered for demanding off-road racing, featuring lightweight construction, powerful 2-stroke engines, and advanced WP suspension systems. KTM's legacy in motocross is built on delivering championship-winning performance, and these models embody that commitment with their potent engines, agile handling, and robust chassis design.

This comprehensive workshop service repair manual provides detailed information for the maintenance, troubleshooting, and repair of your KTM 125SX or 150SX. It covers all major systems, including the engine, transmission, fuel, ignition, cooling, suspension, braking, and electrical systems. With step-by-step procedures, diagnostic charts, technical specifications, and torque values, this manual is an essential resource for owners and technicians aiming to maintain optimal performance and ensure the longevity of these high-performance motocross bikes.