The Vespa GTS300, produced in 2015, represents the third generation of the iconic GTS line, building upon a rich Italian heritage dating back to 1946. This premium maxi-scooter is engineered for both urban commuting and longer journeys, offering a powerful 278cc Quasar engine with electronic fuel injection, delivering 21.5 horsepower and 17.4 lb-ft of torque. Notable features include its robust steel monocoque chassis, comfortable riding position, ample underseat storage, and modern styling, all contributing to its reputation for premium build quality and a reliable, enjoyable riding experience.

This comprehensive service shop manual provides detailed instructions for the maintenance and repair of all mechanical and electrical systems within the Vespa GTS300. It covers extensive technical information, including engine disassembly and assembly, transmission servicing, chassis and suspension work, braking system maintenance, and electrical system diagnostics, complete with wiring diagrams. The manual is designed to assist owners, mechanics, and technicians in performing routine maintenance, troubleshooting issues, and executing complex repairs, thereby enhancing vehicle longevity and performance.