This manual covers the Pegaso 650, produced between 1997 and 2004. Known for its versatility, this dual-sport motorcycle is well-suited for commuting, touring, and light off-road adventures. An Italian manufacturer with a strong racing heritage, engineered the Pegaso 650 to offer accessible ergonomics and capable handling. Its robust design and reliable performance made it a popular choice in the mid-weight dual-sport segment, competing with models from BMW, Kawasaki, Suzuki, and Yamaha. The motorcycle features a liquid-cooled, single-cylinder engine with a displacement of 652 cc, typically producing around 48 horsepower. This professional workshop manual provides comprehensive information for the maintenance, troubleshooting, diagnostics, and repair of the Pegaso 650. It details procedures for all major systems, including the engine, transmission, chassis, brakes, and electrical components. The manual covers routine maintenance tasks such as oil changes and valve adjustments, as well as in-depth repair instructions for engine rebuilds and electrical system diagnostics. With over 500 pages of dealer-level information, this English-language, text-searchable resource is an essential tool for owners, mechanics, and technicians aiming to maintain the peak performance and longevity of their Pegaso 650.