This manual covers the KTM 400 LC4, including LC4 Adventure and Enduro configurations, produced between 1998 and 2003. Known for its robust single-cylinder, 4-stroke LC4 engine, this model embodies KTM's renowned off-road racing heritage and engineering prowess. The 400 LC4 offers a blend of performance and durability, making it a capable machine for both adventurous trail riding and demanding enduro applications. Its design prioritizes reliability and rider engagement, characteristic of KTM's commitment to producing high-quality, performance-oriented motorcycles.

This comprehensive workshop service manual provides detailed information essential for owners, mechanics, and technicians. It covers a wide array of systems including the engine, fuel system, ignition, electrical components, chassis, suspension, brakes, clutch, and transmission. Within its pages, you will find procedures for routine maintenance, in-depth troubleshooting and diagnostics, and major repair tasks. The manual also includes technical specifications, torque values, wiring diagrams, and information on specialized tools, ensuring that all aspects of maintaining and repairing your KTM 400 LC4 are thoroughly addressed.