The 2005 Aprilia Pegaso 650 is a versatile motorcycle designed for adventure touring and dual-sport riding. Featuring a robust Rotax 655, 4-stroke, single-cylinder engine known for its torquey power delivery, this model offers a balanced performance suitable for both urban commuting and light off-road excursions. Its Italian heritage, combined with a focus on practicality and adaptability, positions it as a capable machine in its segment, often compared to models like the BMW F650GS and Kawasaki KLR650. The Pegaso 650 is engineered to provide reliable performance and enjoyable riding experiences across varied conditions. This comprehensive service repair manual provides detailed information essential for the maintenance, troubleshooting, and repair of the 2005 Aprilia Pegaso 650. It covers all major systems, including the engine, fuel, ignition, cooling, exhaust, transmission, drivetrain, suspension, brakes, electrical systems, and bodywork. The manual includes step-by-step procedures for routine maintenance, component rebuilds, and diagnostics, along with critical technical specifications, torque values, and exploded part diagrams. This resource is invaluable for owners and technicians aiming to preserve the vehicle's performance, ensure its longevity, and accurately address any potential issues.