This manual covers the 1985 BMW R100 motorcycle, a distinguished model known for its air-cooled, four-stroke, two-cylinder boxer engine. With a displacement of 980 cc and a robust engineering heritage, the R100 series, including variants like the R100RT, R100RS, R100S, and R100CS, embodies BMW's commitment to reliability and rider comfort. These motorcycles are celebrated for their durable construction and capable performance, making them suitable for both daily commuting and long-distance touring. The R100's design emphasizes mechanical integrity and predictable handling, reflecting BMW's long-standing reputation in motorcycle manufacturing.

This comprehensive Service and Repair Manual provides detailed guidance for owners and independent mechanics to maintain and repair the 1985 BMW R100. It covers essential areas including engine service, fuel and ignition systems, transmission, electrical systems, braking, suspension, and frame/bodywork. The manual includes step-by-step procedures for routine maintenance, component overhauls, and troubleshooting, along with critical torque specifications and wiring diagrams. This resource empowers users to perform high-quality repairs, ensuring the longevity and optimal performance of their R100 motorcycle.