This comprehensive Yamaha YZ400E YZ400 1978-1982 Service & Repair Workshop Manual provides detailed instructions for all repair, servicing and troubleshooting procedures for your motorcycle. This manual is identical to the one used by professional mechanics and technicians, ensuring you have access to the same high-quality information. It includes step-by-step instructions, highly detailed exploded diagrams, and numerous pictures to guide you through every job correctly. This manual covers all aspects of your motorcycle, from basic maintenance to complex repairs. With its thorough coverage and clear instructions, you can confidently tackle any repair or maintenance task.

The Yamaha YZ400E, produced from 1978 to 1982, was a groundbreaking motorcycle that revolutionized motocross racing. This legendary off-road machine represented a significant leap forward in engine displacement and power output, setting a new benchmark for performance in the 4-stroke category. The YZ400E was equipped with a powerful 399cc, air-cooled, single-cylinder four-stroke engine, a significant departure from the smaller displacement two-stroke engines that dominated the motocross scene at the time. This powerful engine provided riders with exceptional torque and horsepower, allowing them to tackle challenging terrain with ease. The YZ400E's robust frame and suspension system provided excellent handling and stability, making it a formidable competitor on the track. Despite its impressive performance, the YZ400E was not without its drawbacks. Its large displacement and heavy weight compared to the lighter two-stroke machines made it less agile and responsive in tight corners and on technical sections. Additionally, the air-cooled engine's tendency to overheat in demanding conditions was a concern for riders. However, the YZ400E's raw power and durability made it a popular choice among experienced riders who sought a machine that could handle the most demanding terrain. The YZ400E's legacy lives on today, inspiring future generations of motocross motorcycles and solidifying its place as a legend in the history of off-road racing. As a testament to its impact, the Yamaha YZ400E remains a sought-after classic among collectors and enthusiasts alike.