The BMW R90, specifically the R90/6 model produced in 1982, is a touring motorcycle renowned for its iconic boxer-twin engine and shaft drive system, offering a blend of comfort and reliable performance ideal for long-distance travel. This model, manufactured in Berlin, Germany, represents a significant point in BMW's motorcycle heritage, known for its robust construction and distinctive engineering. Key features include its air-cooled, 897.7 cc boxer engine, a 5-speed manual transmission, and a steel duplex cradle frame, all contributing to its reputation as a durable and capable touring machine.

This comprehensive service and repair manual provides detailed guidance for the maintenance, troubleshooting, and repair of your BMW R90 motorcycle. Covering essential areas such as the engine, transmission, chassis, and electrical system, this manual offers step-by-step instructions for everything from routine maintenance like oil changes and valve adjustments to complete engine and gearbox overhauls. With in-depth troubleshooting sections, diagnostic charts, and clear wiring diagrams, this resource is an indispensable tool for owners, mechanics, and technicians aiming to preserve the performance and longevity of this classic motorcycle.