The Gilera Nexus 500, also identified by its model code XP 500, represents a significant entry in the maxi-scooter segment for the 2005 and 2006 model years. This Italian-engineered vehicle, part of a larger automotive group, is renowned for its sporty handling and Gran Turismo capabilities, offering a powerful 492.7 cc liquid-cooled, single-cylinder, four-stroke engine that produces approximately 40 horsepower. Its design emphasizes both performance and comfort for extended riding, featuring a robust chassis, dual front disc brakes, and a rear disc brake, with optional ABS for enhanced safety. The Nexus 500 combines practical commuting with engaging performance, making it a versatile choice for discerning riders. This comprehensive service and repair manual provides essential information for maintaining and troubleshooting the Gilera Nexus 500. It covers a wide array of systems, including the engine, transmission, fuel injection, electrical systems, brakes, suspension, and chassis. Within its pages, you will find detailed procedures for general maintenance, disassembly and reassembly, troubleshooting common issues, and periodic lubrication. Technical specifications, wiring diagrams, and fluid recommendations are also included to assist owners, DIY enthusiasts, and independent mechanics in keeping their Nexus 500 in optimal condition, ensuring reliability and longevity.