The BMW R90 1990 Repair Service Manual is a comprehensive resource designed for professional technicians. It provides detailed instructions and technical specifications for the repair and maintenance of your BMW R90 motorcycle. This manual covers a wide range of topics, including engine, transmission, electrical system, brakes, suspension, and more. It includes detailed diagrams, illustrations, and step-by-step procedures to guide you through each repair or maintenance task. Whether you are a seasoned mechanic or a DIY enthusiast, this manual will equip you with the necessary information to keep your R90 running smoothly.

## The BMW R90: A Classic Air-Cooled Boxer Engine Motorcycle The BMW R90, produced from 1987 to 1990, was a classic air-cooled boxer engine motorcycle that exemplifies the enduring legacy of BMW Motorrad. While not as renowned as its larger displacement siblings, the R90 offered a compelling blend of performance, reliability, and classic design, making it a popular choice for both daily commuting and weekend adventures. Powered by a 898cc air-cooled, two-cylinder boxer engine, the R90 delivered a respectable 65 horsepower and 55 lb-ft of torque, providing a smooth and engaging riding experience. The motorcycle featured a five-speed transmission, a telescopic front fork, and a monoshock rear suspension system, ensuring a comfortable and responsive ride on a variety of road conditions. The R90 embodied classic BMW styling, with its iconic boxer engine prominently displayed, a low-slung profile, and a minimalist design that emphasized functionality over frills. The use of high-quality components and a robust build quality ensured the R90's reputation for reliability and longevity. It was also known for its comfortable riding position, offering commendable long-distance capabilities. While production ended in 1990, the R90 continues to be highly sought-after by enthusiasts seeking a timeless classic motorcycle with a proven track record of dependability and enjoyable riding experience. For those looking to delve deeper into the intricacies of this air-cooled marvel and ensure its continued performance, the BMW R90 1990 Repair Service Manual provides an invaluable resource, containing detailed instructions, diagrams, and specifications to guide the user through any repair or maintenance task.