The Nexus 500, produced for the 2005 and 2006 model years, represents a premium maxi-scooter engineered for performance and comfort, making it suitable for both commuting and touring. It is powered by a robust 4-stroke, liquid-cooled, single-cylinder engine with a displacement of 492.6 cc, delivering approximately 39 horsepower. Notable features include an advanced suspension system, comfortable seating, and ample under-seat storage, all built upon a rigid steel twin-spar frame. As an Italian marque with a heritage dating back to 1909, now part of a larger group, the Nexus 500 has been positioned as a competitive offering in its segment, known for its dynamic capabilities and refined rider experience. This comprehensive workshop service and repair manual provides detailed information for maintaining and repairing the Nexus 500. It covers all essential systems, including the powertrain, chassis, brakes, and electrical components, offering step-by-step instructions for maintenance, troubleshooting, and overhaul procedures. Technicians and owners will find valuable resources such as wiring diagrams, fluid specifications, and recommended service intervals for critical components like the engine oil, air filter, spark plug, and drive belt. The manual is designed to empower users with the knowledge necessary for accurate diagnostics and efficient repairs, ensuring the longevity and optimal performance of the vehicle.