This comprehensive Yamaha YJ125S workshop service repair manual covers all models from 2003 to 2010, providing you with the essential information needed to maintain and repair your motorcycle. Inside this manual, you'll find detailed instructions and diagrams for every aspect of your YJ125S, from basic maintenance tasks like oil changes and filter replacements to complex repairs involving the engine, transmission, electrical system, and more. This manual is an indispensable resource for both professional mechanics and DIY enthusiasts, offering clear and concise instructions, thorough troubleshooting guides, and detailed specifications to help you complete any repair with confidence. Whether you're a seasoned mechanic or just starting out, this manual will empower you to keep your Yamaha YJ125S running smoothly and reliably for years to come.

The Yamaha YJ125S, produced from 2003 to 2010, was a popular and reliable 125cc motorcycle designed for both commuting and recreational riding. This lightweight and agile machine was powered by a single-cylinder, air-cooled, 4-stroke engine that delivered a smooth and responsive ride. The YJ125S featured a comfortable riding position with a low seat height, making it accessible to riders of all experience levels. Its sleek and modern design combined with practical features such as a large fuel tank and a convenient storage compartment under the seat, further enhanced its appeal. Notably, the YJ125S was a highly fuel-efficient motorcycle, making it an economical choice for daily commutes. The Yamaha YJ125S offered a balance of performance, practicality, and affordability, making it an attractive option for riders seeking a reliable and enjoyable motorcycle. Its ease of handling and forgiving nature made it ideal for beginners, while its versatility allowed more experienced riders to enjoy short trips and commutes. Despite its smaller engine displacement, the YJ125S provided adequate power for city riding and even some light touring. Its robust construction and simple mechanical design ensured low running costs and made maintenance relatively straightforward. The YJ125S remains a popular choice among riders seeking a reliable and affordable motorcycle with a classic and timeless design.