This workshop service repair manual covers the KTM 400 SX, MXC, and XC models produced between 2000 and 2007. These performance-oriented off-road motorcycles are renowned for their competitive edge in motocross and cross-country racing. Building on KTM's strong heritage in off-road disciplines, these 4-stroke, single-cylinder machines, typically around 397cc, offer robust engineering and a 'Ready to Race' philosophy. They competed against major manufacturers, often distinguished by their European design and focus on raw performance.

This comprehensive English-language manual provides detailed guidance for maintenance and repair. It covers engine overhaul, drivetrain systems, chassis components, suspension, brakes, and the electrical system. Included are step-by-step procedures for routine maintenance, component replacement, and troubleshooting common issues. With 245 pages of technical information, including diagrams and specifications, this manual is an indispensable resource for owners and technicians aiming to keep their KTM 400 SX, MXC, or XC in peak condition.