The BMW R90, model code R90/6, is a classic motorcycle produced between 1973 and 1976. Renowned for its shaft drive, horizontally opposed boxer twin engine, and comfortable touring ergonomics, this German-engineered machine offers robust build quality and reliable performance. Its distinctive features, including a 897 cc engine producing 60 hp and a 5-speed gearbox, made it a highly regarded option in its era, competing with other large displacement motorcycles. The R90 is celebrated for its enduring design and engineering, appealing to enthusiasts who value both performance and heritage.

This comprehensive service and repair manual provides essential information for maintaining and repairing the BMW R90/6. It covers a wide range of topics, including detailed engine overhaul, transmission and clutch servicing, electrical system diagnostics, and chassis maintenance. Owners and technicians will find step-by-step repair instructions, troubleshooting guides for common issues, and crucial technical specifications. The manual also includes maintenance schedules and fluid recommendations, ensuring the longevity and optimal performance of this iconic motorcycle.