The KTM 400 LC4, produced between 1998 and 2003, represents a versatile dual-sport and Supermoto motorcycle platform, renowned for its robust LC4 liquid-cooled, 4-stroke, single-cylinder engine. This model is celebrated for its strong off-road heritage, translating into a durable and performance-oriented machine capable of handling diverse terrain. Its engineering emphasizes reliability and a potent torque delivery, making it a competitive choice in its market segment. The 400 LC4 is designed for riders seeking a capable machine for both adventurous trails and spirited road riding, embodying KTM's commitment to producing high-quality, performance-driven motorcycles.

This comprehensive service repair manual provides detailed information for the KTM 400 LC4 models from 1998 to 2003. It covers all essential aspects of maintenance and repair, including engine mechanicals, fuel and ignition systems, transmission, electrical systems, suspension, and brakes. The manual offers step-by-step instructions for routine maintenance, troubleshooting common issues, and complete rebuild procedures. Its purpose is to empower owners and technicians with the knowledge required to effectively maintain, service, and repair the vehicle, ensuring its longevity and optimal performance.