The R1150RT, produced between 2001 and 2006, represents a refined iteration of touring motorcycle lineage. This model, often designated as the R 1150 RT (chassis code 0434), is powered by an air-cooled, 1130cc boxer-twin engine producing approximately 85 horsepower, complemented by a 5-speed manual transmission and shaft drive. Known for its comfort, reliability, and advanced features for its era, including standard cruise control and a sophisticated Integral ABS system, the R1150RT was engineered for long-distance touring and daily commuting alike. Its design emphasizes rider comfort and a stable, predictable ride, making it a popular choice for enthusiasts seeking a capable and enduring touring machine. This comprehensive service and repair manual provides essential information for the maintenance and repair of the R1150RT. It covers a wide range of topics, including detailed procedures for engine disassembly, assembly, and diagnostics, as well as maintenance of the fuel injection system, clutch, transmission, and shaft drive. Specific attention is given to the Integral ABS, brakes, suspension, steering, and electrical systems, offering step-by-step instructions, troubleshooting guides, and technical specifications such as torque values and fluid capacities. The manual is designed to assist DIY enthusiasts, independent repair shops, and technicians in effectively maintaining and repairing the vehicle, ensuring its optimal performance and longevity.