The R1150RT, produced between 2001 and 2006, represents a pinnacle of German engineering in the touring motorcycle segment. This model is celebrated for its robust air/oil-cooled, 1130cc boxer-twin engine, delivering approximately 95 horsepower and 72 lb-ft of torque, providing ample power for long-distance journeys. Known for its comfort, stability, and advanced features for its era, including the optional Integral ABS II braking system, the R1150RT is designed for riders who prioritize performance and reliability on extended tours. Its heritage is rooted in a long-standing reputation for producing high-quality, technologically advanced motorcycles, building upon the success of previous R series touring models. This comprehensive service repair workshop manual provides an exhaustive guide to the entire R1150RT motorcycle, covering all aspects from routine maintenance to complex repairs. It details procedures for the engine, drivetrain, chassis, suspension, brakes, and electrical system, including specific instructions for the 1150cc boxer engine, 6-speed gearbox, Telelever and Paralever suspension, and the Integral ABS II system. The manual is structured to assist owners and technicians with tasks such as oil changes, valve adjustments, brake fluid replacement, component troubleshooting, and complete rebuilds. With its factory-type information, exploded diagrams, torque specifications, and clear, step-by-step instructions, this manual serves as an indispensable resource for maintaining the optimal performance and longevity of your R1150RT.