This comprehensive Yamaha WR426 Workshop Service Repair Manual provides detailed instructions and specifications for all model years from 2000 to 2008. It is an essential resource for both DIY enthusiasts and experienced mechanics, offering a wealth of information to keep your WR426 running smoothly. The manual meticulously covers every aspect of the motorcycle, ensuring you have the knowledge to perform repairs and maintenance with confidence. The manual features detailed illustrations, diagrams, and wiring schematics to guide you through every procedure. Clear and concise step-by-step instructions are accompanied by numbered illustrations for easy reference, ensuring you understand each repair process. Thorough troubleshooting sections and electrical service procedures are combined with comprehensive wiring diagrams to simplify diagnosing and resolving electrical issues. You'll find everything you need within the manual to tackle any repair or maintenance task. From general information and engine mechanical systems to the electrical system, emission control, fuel system, suspension, clutch, transmission, drive train, steering, brakes, body interior and exterior, and body electrical systems, this manual covers every aspect of the WR426. The manual's comprehensive approach makes it a valuable tool for any owner looking to maintain and repair their Yamaha WR426.

The Yamaha WR426, produced from 2000 to 2008, is a highly regarded off-road motorcycle renowned for its potent performance and rugged durability. This dual-sport machine boasts a 426cc, air-cooled, four-stroke single-cylinder engine, delivering impressive power and torque throughout the rev range. The WR426's lightweight aluminum frame, coupled with long-travel suspension featuring a 48mm Kayaba inverted fork and a KYB monoshock, provides exceptional handling and stability on challenging terrain. Its robust construction, featuring a sturdy steel swingarm and durable components, ensures resilience against the rigors of off-road riding. Notably, the WR426 incorporates a six-speed transmission with a wide gear ratio, allowing riders to tackle diverse terrain with ease. The WR426 comes equipped with a standard electric starter, a feature that greatly simplifies starting the engine, particularly in demanding conditions. This motorcycle boasts a generous fuel tank capacity, further enhancing its range and endurance. Despite its off-road prowess, the WR426 also features a street-legal configuration, including a headlight, taillight, and turn signals, enabling it to be used for dual-sport riding. The WR426's popularity stems from its versatility, exceptional handling, and impressive power, making it a favorite among experienced and aspiring off-road enthusiasts. Whether navigating challenging trails, tackling demanding terrains, or simply enjoying a leisurely ride, the Yamaha WR426 offers a thrilling and rewarding experience.