This workshop repair service manual provides comprehensive information for the YP250R X-MAX, covering model years 2005 through 2009. As the first generation of this sport-scooter, the YP250R X-MAX is renowned for its quality engineering and reliable performance, blending comfortable touring capabilities with a distinctive sporty style. Powered by a liquid-cooled, 4-stroke, 249.7 cc engine featuring fuel injection and a V-belt automatic transmission, this scooter is designed for efficient and smooth operation. Its robust frame, effective braking system, and protective fairings contribute to a well-rounded riding experience, upholding a strong heritage in powersports. This manual is meticulously designed to assist owners and professional technicians in all aspects of maintaining and repairing the YP250R X-MAX. It covers a wide array of systems, including the fuel, cooling, engine, clutch, transmission, brakes, suspension, steering, frame, and electrical systems. Detailed procedures for service, maintenance, troubleshooting, diagnostics, disassembly, and assembly are provided, featuring step-by-step instructions, diagrams, and specific notes. With a focus on comprehensive diagnostic and repair information, this manual ensures that users can effectively troubleshoot issues, perform routine maintenance, and conduct complex repairs with accuracy and confidence.