The Aprilia Pegaso 650 is a versatile dual-sport motorcycle produced from 1997 to 2001, designed to excel in both urban commuting and light off-road adventures. Known for its approachable single-cylinder engine, offering a balanced blend of torque and manageable power, the Pegaso 650 provides a comfortable and capable riding experience. Its design philosophy emphasizes practicality and a degree of ruggedness, making it a suitable companion for a wide range of riding conditions and terrains. The legacy of innovative engineering further underpins the model's reputation for reliability and performance within its segment, which competed against other mid-size adventure touring motorcycles of the era. This comprehensive workshop service repair manual provides detailed information essential for the maintenance, troubleshooting, and repair of the Aprilia Pegaso 650 (1997-2001). Covering all major systems including the engine, fuel, cooling, electrical, braking, suspension, and chassis, this 337-page English language guide offers step-by-step procedures for everything from routine servicing, such as oil changes and filter replacements, to complex engine overhauls and electrical diagnostics. It includes critical torque specifications, wiring diagrams, and systematic troubleshooting charts, making it an invaluable resource for both professional technicians and owners undertaking their own maintenance, ensuring the longevity and optimal performance of their motorcycle.