This manual covers the K1100LT RS, a premium sport touring motorcycle produced in 1999. As part of the K-series, known for its innovative transverse-mounted inline-four engines, this model offers a blend of performance and comfort. Key features include a 1093 cc DOHC, 16-valve inline-four engine delivering 100 hp, a 5-speed gearbox with shaft drive, and a comfortable riding position with aerodynamic fairings designed for long-distance travel. The K1100 series is recognized for its solid build quality and smooth power delivery, making it a capable machine for touring and sport riding. This comprehensive service manual provides detailed information for the service and repair of the K1100LT RS. It covers essential areas such as engine mechanicals, fuel and ignition systems, electrical components, transmission, suspension, brakes, and chassis. The manual includes step-by-step procedures for maintenance, repair, diagnosis, and troubleshooting, supported by clear diagrams and illustrations. This resource is intended to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of the vehicle.