The BMW R90 1991 Full Service Repair Manual provides a comprehensive guide for maintaining, repairing, rebuilding, refurbishing, or restoring your BMW R90 motorcycle. This detailed manual contains everything you need to tackle any task, from routine maintenance to complex engine overhauls. It covers every aspect of the motorcycle, including the engine, transmission, electrical system, brakes, suspension, and more. With detailed illustrations, step-by-step instructions, and comprehensive technical specifications, this manual empowers you to work on your BMW R90 with confidence, ensuring that your beloved motorcycle remains in top condition for years to come.

The BMW R90, produced from 1988 to 1991, represents the final evolution of a classic motorcycle lineage that began with the R69S in the 1960s. This air-cooled, two-cylinder boxer engine motorcycle was renowned for its robust construction, reliable performance, and timeless styling. The R90 inherited the characteristic boxer engine, known for its smooth power delivery and low vibration at cruising speeds. It featured a redesigned frame compared to its predecessor, the R80, optimizing handling and rider comfort. The model also introduced a revised suspension with telescopic forks and a monoshock rear suspension, contributing to improved ride quality and handling. The R90's design remained true to BMW's heritage, featuring a classic round headlight, a low-slung profile, and a fuel tank sculpted with a characteristic "knee indentation," providing a comfortable riding position. Though the R90 was not as widely produced as its predecessor, it remains a cherished model among BMW enthusiasts. The combination of classic styling, robust engineering, and reliable performance continues to make the R90 a highly sought-after classic motorcycle. Its popularity is reflected in the availability of service manuals like the "BMW R90 1991 Full Service Repair Manual," a valuable resource for owners who wish to maintain and restore these iconic machines. The manual caters to both experienced mechanics and DIY enthusiasts, offering detailed instructions for a wide range of repairs and maintenance tasks. With its comprehensive coverage, the manual empowers owners to perform everything from routine oil changes to engine rebuilds, ensuring their R90 remains in top condition for many years to come.