The Aprilia Quasar, produced in 2006, represents a notable entry in the scooter market, available in 50cc and 100cc variants. Built by an Italian manufacturer renowned for its performance-oriented motorcycles and scooters, the Quasar line is recognized for its blend of stylish design and engineering quality. These scooters are powered by a four-stroke, single-cylinder engine, known for its reliability and efficiency. The Quasar is designed for urban commuting and recreational riding, offering a practical yet engaging experience for riders. This comprehensive repair service manual provides detailed guidance for the maintenance, diagnosis, and repair of the Aprilia Quasar 50cc and 100cc models from 2006. It covers essential systems including the engine, fuel system, ignition, transmission (CVT), brakes, suspension, and electrical components. The manual offers step-by-step instructions for routine maintenance, troubleshooting common issues, and performing in-depth repairs, making it an invaluable resource for both professional technicians and DIY enthusiasts. The English language document is printable and zoomable, ensuring clarity and accessibility for all users.