This comprehensive BMW R90 1990 Full Service Repair Manual provides in-depth information and instructions for every aspect of maintaining, repairing, rebuilding, refurbishing, or restoring your motorcycle. The manual covers a wide range of topics, from basic maintenance procedures to complex engine overhauls. It includes detailed diagrams, illustrations, and specifications to guide you through every step of the process. With this manual, you'll have access to all the information you need to keep your BMW R90 1990 running smoothly and reliably for years to come. Whether you're a seasoned mechanic or a novice DIY enthusiast, this manual is an invaluable resource that will empower you to tackle any repair or maintenance task with confidence.

The BMW R90, produced from 1980 to 1996, represents a pivotal chapter in the history of BMW's iconic air-cooled boxer engine motorcycles. The R90, part of the "Airhead" series, was a popular choice among riders seeking a blend of performance, durability, and classic design. Its legacy rests on a series of defining characteristics that set it apart from its contemporaries. The R90 boasted a powerful 898cc air-cooled, horizontally opposed twin-cylinder engine, known for its smooth power delivery and distinctive boxer rumble. Its rugged construction, featuring a tubular steel frame and telelever front suspension, ensured a reliable and comfortable ride, even on challenging terrain. The R90's design was a testament to BMW's commitment to quality and craftsmanship, with its timeless lines and minimalist aesthetics epitomizing the era's motorcycle design trends. The BMW R90's versatility made it a popular choice for a wide range of riders. Its comfortable ergonomics allowed for long-distance touring, while its robust construction made it suitable for spirited backroad adventures. Several variations of the R90 were produced, including the R90S, a performance-oriented model featuring a higher power output and more sporting aesthetics. The R90 RT, designed for touring, offered a larger fairing, luggage capacity, and improved comfort for extended journeys. The R90 also served as the foundation for the popular BMW R100 series, which featured a larger 980cc engine and further enhancements. Today, the BMW R90 remains a sought-after classic, appreciated for its timeless design, enduring quality, and its ability to evoke a sense of nostalgia among motorcycle enthusiasts. Its restoration and maintenance are often undertaken with meticulous care, ensuring that these legendary machines continue to grace the roads for generations to come.