This manual covers the scooter, specifically the 125 ie and 150 ie Leader engine variants from the 2011 model year. An Italian manufacturer with a rich heritage dating back to 1884, is known for its commitment to urban mobility, offering practical and stylish scooters. The Fly series embodies this ethos, providing efficient and reliable transportation. Key features include its single-cylinder, 4-stroke LEADER engine with 4 valves, available in 124 cc and 150 cc displacements, both compliant with Euro 3 emission standards. The scooter is equipped with an automatic CVT transmission, hydraulic disc brakes on the front, and either a drum or disc brake on the rear depending on the market. Its design prioritizes user convenience with underseat storage and a robust steel tubing frame for safety. This comprehensive workshop service repair manual is designed for professional motorcycle mechanics, authorized service centers, and advanced DIY enthusiasts. It provides OEM-level diagnostic and repair information to ensure accurate and efficient servicing, crucial for maintaining the vehicle's longevity and optimal performance. The manual details hundreds of pages of diagrams, step-by-step repair procedures, and extensive technical specifications covering general characteristics, special tools, maintenance procedures, troubleshooting guides, the electrical system, engine disassembly and assembly, power supply, suspensions, chassis, braking, cooling, and bodywork. It also includes routine maintenance, diagnostic procedures, component repair, wiring diagram interpretation, and adjustment procedures.