This manual covers the BMW R90 motorcycle, a significant model in BMW's history known for its robust engineering and shaft-driven boxer twin engine. Produced across a range of years from 1978 to 1996, the R90 series was designed as a reliable touring and sport-touring machine, competing with other large-displacement motorcycles of its era. Its key features include a smooth, air-cooled boxer engine, a durable chassis, and a comfortable riding position, all contributing to its reputation for build quality and long-distance capability. The R90 series is celebrated for its exceptional reliability and durability when properly maintained, making it a favored choice for riders valuing performance and longevity.

This comprehensive service repair manual provides detailed guidance for maintaining and repairing your BMW R90. It covers a wide array of essential procedures, including complete engine overhauls, transmission and drivetrain service, chassis and suspension maintenance, brake system repairs, and electrical system diagnostics. The manual also includes routine maintenance tasks, troubleshooting steps for common issues, component rebuild instructions, and critical torque specifications. Designed for professional mechanics and dedicated DIY enthusiasts, this manual is an indispensable resource for ensuring the optimal performance and longevity of your R90 motorcycle.