This manual covers the KTM 400 SXS, a high-performance motocross and off-road motorcycle produced between 2000 and 2007. The SXS designation signifies a special factory edition, often featuring performance enhancements and a focus on competition. Known for KTM's 'Ready to Race' philosophy, the 400 SXS was engineered for demanding off-road use, offering a powerful 400cc four-stroke engine, robust suspension, and a lightweight, agile chassis designed for optimal rider control in competitive environments.

This workshop repair service manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your KTM 400 SXS. It includes detailed procedures for engine overhaul, fuel and ignition systems, transmission, suspension, brakes, and the electrical system. The manual also covers preventative maintenance schedules, diagnostic guides for common issues, and essential technical specifications, including torque values and fluid requirements, ensuring that owners and technicians can maintain the vehicle's peak performance and reliability.