The Aprilia Pegaso 650, a 2004 model, represents Italian engineering in the dual-sport motorcycle segment. Known for its blend of on-road comfort and off-road capability, this model features the reliable Rotax-designed 655cc single-cylinder engine, delivering a balanced mix of power and torque suitable for touring and varied terrain. With its distinctive styling and capable chassis, the Pegaso 650 offered a compelling alternative in its class, prioritizing rider experience and versatility for both daily commuting and adventurous journeys. This comprehensive service repair workshop manual provides detailed guidance for the Aprilia Pegaso 650 (2004). It covers all essential aspects, including engine mechanics, fuel and ignition systems, transmission, clutch, chassis, suspension, brakes, and the complete electrical system with wiring diagrams. The manual offers step-by-step procedures for routine maintenance, scheduled servicing, component overhauls, and troubleshooting common issues. Its in-depth technical specifications and repair instructions are designed to assist owners, mechanics, and technicians in maintaining and restoring the vehicle to optimal performance and safety.