This manual covers the WR250, an off-road motorcycle renowned for its performance and reliability in the enduro and trail riding segments. Produced during the 1997 and 1998 model years, this first-generation iteration builds upon a successful motocross heritage, offering a robust platform for enthusiasts. Key features include a 4-stroke, liquid-cooled, DOHC engine with approximately 249 cc displacement, a 6-speed transmission, and hydraulic disc brakes, all housed within a durable steel perimeter frame. The WR250 is designed for demanding off-road conditions, balancing power, agility, and rider control, making it a competitive choice against other contemporary off-road machines. This comprehensive service repair workshop manual provides dealership-level, A-Z repair, maintenance, and diagnostic information specifically for the WR250. It is intended for both professional dealership technicians and DIY mechanics seeking to maintain and repair their vehicles. The manual details procedures for all major systems, including the engine, transmission, chassis, brakes, and electrical systems, with factory-level detail, diagrams, illustrations, and wiring schematics. Coverage encompasses routine maintenance, component overhaul, troubleshooting, and tuning, empowering owners and technicians to ensure the optimal performance and longevity of their WR250.