The BMW R90, produced during the 1970s, is a classic motorcycle renowned for its robust boxer twin engine, shaft drive, and exceptional build quality, making it a capable performer for touring and everyday riding. Its engineering excellence and reliability have cemented its status as a desirable machine among enthusiasts and collectors. The R90's distinctive design and enduring performance are hallmarks of BMW Motorrad's heritage in motorcycle manufacturing.

This comprehensive service repair manual provides detailed information for all 1989 BMW R90 models, covering a wide array of systems including the engine, transmission, drivetrain, brakes, suspension, and electrical systems. It offers step-by-step procedures for routine maintenance, troubleshooting, component repair, and complete rebuilds. This manual is an essential resource for owners, mechanics, and technicians seeking to maintain, service, and restore their BMW R90, ensuring its longevity and optimal performance.