The Aprilia Leonardo 125, produced between 1997 and 2003, is a lightweight scooter designed for sporty yet practical urban mobility. Featuring a 4-stroke, single-cylinder, air-cooled engine with a displacement of approximately 124.5 cc, it delivers around 10.5 to 12 HP, enabling a top speed of 95-105 km/h. Its design philosophy emphasizes a blend of performance and everyday usability, making it a suitable choice for commuters and city riders. The Leonardo model family is known for its Italian engineering and has been a competitor in the 125cc scooter segment, often utilizing Piaggio mechanical components.

This comprehensive service and repair manual provides detailed information for the Aprilia Leonardo 125, covering model years 1997 through 2003. It encompasses all essential aspects of maintenance, troubleshooting, and repair, including the powertrain, chassis, and electrical systems. The manual offers step-by-step instructions for disassembly and assembly, diagnostic procedures for common issues, and technical specifications. Its purpose is to empower owners and technicians to effectively maintain and repair the vehicle, ensuring its longevity and optimal performance.