The Yamaha YZ426F (M)/LC, produced in 2000, is a high-performance motocross competition motorcycle. It features a liquid-cooled, DOHC, 4-stroke, 5-valve, single-cylinder engine with a displacement of 426 cc, delivering over 50 horsepower and 35 lb-ft of torque. Its design emphasizes a lightweight aluminum frame and advanced suspension, making it a potent machine engineered for competitive off-road racing. The YZ426F represents Yamaha's commitment to motocross excellence, building on the legacy of its predecessors and offering a competitive edge against other leading brands in its segment.

This comprehensive workshop service manual provides detailed information for the maintenance and repair of your Yamaha YZ426F. Covering everything from routine checks and fluid changes to complete engine and suspension rebuilds, the manual includes step-by-step instructions, diagnostic flowcharts, and technical specifications. With detailed diagrams and exploded views, it serves as an essential resource for owners, mechanics, and technicians to ensure optimal performance, reliability, and longevity of the vehicle. The manual is presented in English and is fully searchable and printable for convenient workshop use.