The Vespa S 125, produced from 2007 to 2015, is a stylish urban scooter that merges classic Italian design with modern functionality. Powered by a 124cc, 4-stroke, 3-valve, air-cooled Piaggio LEADER engine, it delivers approximately 11.4 HP and is equipped with electronic fuel injection for efficient performance. Its distinctive sporty design cues, comfortable riding position, and agile handling make it an ideal choice for city commuting. The model code range is M42100, and it features a continuously variable transmission (CVT) for smooth power delivery.

This comprehensive workshop service manual provides detailed guidance for the maintenance and repair of the Vespa S 125. Covering a wide array of systems including engine mechanicals, fuel injection, transmission, brakes, electrical systems, suspension, and bodywork, it offers step-by-step procedures for everything from routine servicing like oil changes and filter replacements to complex overhauls. The manual includes essential technical specifications, torque settings, wiring diagrams, and troubleshooting guidance for common issues, ensuring owners and technicians can effectively maintain and repair the vehicle.