This manual covers the BMW R90 motorcycle, produced in 1991. The R90 is renowned for its robust engineering and reliable performance, making it a favored choice for both daily commuting and longer journeys. Its design emphasizes a balance of power and handling, reflecting BMW's commitment to quality and rider satisfaction.

This comprehensive service manual provides detailed instructions for the maintenance, repair, and troubleshooting of your 1991 BMW R90. It includes essential information on all major systems, technical specifications, and safety guidelines to ensure your motorcycle remains in optimal condition. Whether you are a seasoned mechanic or a dedicated owner, this guide will assist you in performing necessary upkeep and repairs with confidence.