This manual covers the 400 LC4 and 660 LC4 models produced between 1998 and 2003. These dual-sport motorcycles are renowned for their ruggedness and potent LC4 single-cylinder engines, offering strong off-road capability suitable for adventure riders and enthusiasts. Known for their performance-oriented design and Austrian engineering heritage, these bikes have earned a reputation for durability and a distinctive riding experience.

This comprehensive service repair manual provides detailed information for maintaining and repairing your motorcycle. It includes step-by-step instructions for engine overhaul, transmission service, fuel system maintenance, electrical system troubleshooting, suspension and brake system repairs, and chassis work. The manual also covers scheduled maintenance procedures, diagnostic charts for common issues, and essential technical specifications, making it an indispensable resource for both home mechanics and professional technicians seeking to ensure the optimal performance and longevity of their vehicle.