This comprehensive Yamaha XS400 Service Repair Manual covers all models from 1977 to 1982, providing detailed information for both maintenance and repair. It includes a comprehensive maintenance schedule to ensure your motorcycle is running smoothly. The manual delves into each system of the XS400, providing step-by-step instructions for repair procedures. From the engine and fuel system to the electrical system and chassis, you'll find everything you need to understand and maintain your motorcycle. This manual also contains valuable information on emissions control systems, ensuring you stay compliant with environmental regulations. The clear and concise writing style, as well as numerous diagrams and illustrations, make this manual a valuable resource for both experienced mechanics and DIY enthusiasts. With this manual, you can confidently diagnose and fix any problems that arise and ensure your Yamaha XS400 continues to perform at its best.

The Yamaha XS400, a motorcycle produced from 1977 to 1982, was a popular choice for riders seeking a reliable and affordable entry-level machine. This air-cooled, 4-stroke, parallel twin engine motorcycle was known for its smooth power delivery and forgiving handling, making it an ideal choice for both beginners and experienced riders. The XS400 sported a classic, minimalist design with a comfortable riding position and a relatively low seat height, making it accessible to riders of all sizes. The 399cc engine, producing around 35 horsepower, provided adequate performance for commuting, cruising, and light touring. While not the fastest motorcycle on the market, the XS400 offered a balanced blend of power and economy, delivering a smooth and enjoyable riding experience. The Yamaha XS400 was a solid and reliable motorcycle that became a staple in the vintage motorcycle community. Its simple yet efficient design, combined with its comfortable riding position and relatively low price tag, made it a popular choice for both novice and experienced riders. The XS400 was a testament to Yamaha's commitment to building quality motorcycles, offering a blend of practicality and affordability that appealed to a wide range of riders. Its enduring popularity is a testament to its simple design, ease of maintenance, and overall reliability. Even today, these motorcycles can be found in good condition, providing a fun and nostalgic riding experience. The XS400, though out of production for several decades, continues to hold a special place in the hearts of many motorcycle enthusiasts.