This manual covers the K1100LT and RS models, produced from approximately 1989 to 1999. These motorcycles represented a commitment to advanced engineering and performance in the touring and sport-touring segments, competing with other premium offerings through their robust inline-four engines and renowned build quality. The K1100 series is recognized for its reliability and comfortable ride, making it a popular choice for long-distance travel and demanding road conditions. This comprehensive workshop service repair manual provides detailed information for the maintenance, repair, and troubleshooting of the K1100LT/RS. It includes in-depth coverage of all major systems, including the engine, transmission, chassis, and electrical components, along with specific procedures for maintenance tasks, diagnostics, and component overhauls. This resource is designed to assist owners, mechanics, and technicians in preserving the optimal performance and longevity of these sophisticated motorcycles.