The 2002 Yamaha YZ250 is a highly regarded motocross and dirt bike, celebrated for its potent liquid-cooled 249cc two-stroke engine featuring the Yamaha Power Valve System (YPVS). Known for its strong mid-range and top-end power, agile handling, and competitive performance, it was a dominant force in its class, appealing to serious off-road riders. This model represents a significant point in the YZ250's evolution, featuring an aluminum frame and advanced suspension components that contributed to its reputation for engineering quality and reliability on the track and trails.

This comprehensive service repair manual provides detailed guidance for the 2002 Yamaha YZ250. It covers a wide range of essential topics, including routine maintenance procedures, engine mechanicals, transmission, fuel and ignition systems, exhaust, suspension, brakes, and the electrical system. The manual also delves into engine rebuilds, suspension and brake servicing, clutch adjustments, carburetor tuning, and troubleshooting common issues. Its scope is designed to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing the YZ250 effectively, ensuring optimal performance and longevity.