The Yamaha WR250, first generation, released in 1993, represents a significant evolution in competition enduro motorcycles. This model is powered by a potent 239cc two-stroke, single-cylinder, liquid-cooled engine featuring reed valve induction, known for its strong power delivery and off-road capability. Engineered with advanced suspension for superior handling and built with robust components for durability, the WR250 was designed to excel in demanding off-road conditions and competition. Its legacy is rooted in Yamaha's performance-oriented motorcycle heritage, adapting the successful YZ motocross lineage for broader off-road use.

This factory service manual provides comprehensive guidance for the maintenance, repair, and technical understanding of your 1993 Yamaha WR250. It covers essential areas including complete engine overhaul, transmission service, chassis and suspension maintenance, electrical system diagnostics, and detailed procedures for the fuel, braking, and exhaust systems. With information on routine maintenance, troubleshooting guides, rebuild procedures, and technical specifications, this manual is an indispensable resource for owners and technicians alike, ensuring the optimal performance and longevity of this specialized off-road machine.