The Quasar, offered in 50cc and 100cc variants, represents a stylish and sporty scooter designed for urban mobility, produced between 2003 and 2006. Known for its premium Italian design and performance characteristics, the Quasar line was a distinctive offering in its segment, competing with other mid-2000s scooters through its modern aesthetics and robust engineering. Key features include liquid-cooled engines, a stable chassis, and comfortable ergonomics, all contributing to its appeal as a practical yet engaging mode of transportation. This comprehensive manual serves as an essential resource for maintaining and repairing your Quasar. It covers a wide range of topics, including detailed maintenance procedures, engine overhaul, transmission servicing, brake system repair, and electrical system troubleshooting. With information on diagnostic procedures, wiring diagrams, technical specifications, and torque values, this guide is designed to assist both owners and professional technicians in ensuring the optimal performance and longevity of their vehicle.