This manual covers the KTM 400 models produced between 2000 and 2003. Known for their powerful LC4 engines and robust chassis, these motorcycles were designed for demanding off-road and dual-sport riding. KTM's 'Ready to Race' philosophy is evident in the 400's performance-oriented design, featuring advanced suspension systems and strong braking capabilities, making them competitive against other leading brands of the era. The various configurations, including off-road and dual-sport variants, offer riders versatility for a range of conditions.

This comprehensive workshop service repair manual provides in-depth technical information essential for maintaining and repairing your KTM 400. It covers all major systems, including the engine, drivetrain, chassis, suspension, brakes, and electrical components. Detailed procedures for routine maintenance, major repairs, and component disassembly/reassembly are included, along with troubleshooting guidance and torque specifications. This manual is an indispensable resource for professional technicians and dedicated enthusiasts seeking to ensure the optimal performance and longevity of their motorcycle.