The KTM 400 LC4, produced between 1998 and 2005, is a robust dual-sport and enduro motorcycle known for its powerful LC4 (Liquid Cooled 4-stroke) engine. Renowned for its capable off-road performance, durable construction, and long-travel suspension, this Austrian-engineered machine is designed to excel in demanding terrains and adventure riding. Its single-cylinder, 4-stroke engine, typically around 398 cc, delivers strong torque and horsepower, making it a reliable companion for both spirited trail riding and longer journeys. The model's heritage is rooted in KTM's off-road expertise, offering a blend of performance and practicality.

This factory service repair manual provides comprehensive coverage for the KTM 400 LC4 models from 1998 to 2005. It details essential maintenance procedures, including scheduled servicing, fluid changes, and component checks, alongside in-depth repair instructions for all major systems such as the engine, transmission, chassis, brakes, and electrical components. The manual also includes vital technical specifications, torque values, and troubleshooting guides to assist owners, mechanics, and technicians in diagnosing issues and maintaining the vehicle for optimal performance and longevity. Its extensive scope ensures that users can confidently undertake everything from basic upkeep to complex overhauls.