This manual covers the touring motorcycle, produced between 2001 and 2006. Known for its robust Boxer-twin engine, comfortable touring capabilities, and advanced engineering, the R1150RT offers a refined riding experience. This particular model, sometimes referred to by its variant nickname Rockster, features a horizontally-opposed twin-cylinder engine with a 1130 cc displacement, producing approximately 95 horsepower. Its design prioritizes reliability and long-distance comfort, making it a highly regarded choice for riders. This comprehensive service repair workshop manual provides factory-level detail for all aspects of the R1150RT. It includes in-depth procedures for maintenance, diagnostics, and repair across all major systems, including the engine, transmission, electrical system, fuel system, braking system with Integral ABS, and suspension. The manual features step-by-step instructions, detailed diagrams, illustrations, and comprehensive wiring schematics, enabling owners and professional mechanics to effectively maintain, troubleshoot, and repair their vehicles, ensuring optimal performance and longevity.