The 2008 Yamaha YZ250 is a high-performance motocross motorcycle renowned for its potent two-stroke engine, agile handling, and durable engineering. Building on Yamaha's extensive motorsports legacy, this model features a liquid-cooled 249cc engine with the Yamaha Power Valve System (YPVS) for optimized power delivery across the rev range. Its advanced KYB Speed Sensitive System (SSS) front forks and monoshock rear suspension, combined with a lightweight aluminum frame and powerful hydraulic disc brakes, make it a formidable machine for competitive off-road riding. The YZ250 is celebrated for its tractable powerband, strong aftermarket support, and its position as a benchmark in the 250cc two-stroke motocross class.
This comprehensive service manual provides detailed information for the maintenance, repair, and troubleshooting of your 2008 Yamaha YZ250. It covers all essential systems, including the engine, fuel system, ignition, exhaust, transmission, suspension, brakes, and chassis. Within its approximately 400-500 pages, you will find step-by-step procedures for routine maintenance, complete overhauls, diagnostic charts for common issues, and specifications for specialized tools. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance, reliability, and longevity of their YZ250 motocross motorcycle.
