The YUP 250, produced in 2004, is a mid-displacement scooter designed for practical urban commuting and comfortable travel. As part of the YUP series, it aimed to provide a reliable and efficient option within the competitive maxi-scooter market, comparable to models like the Suzuki Burgman 250 and Honda Forza 250. Built with a steel frame and powered by a four-stroke, liquid-cooled SOHC engine, the YUP 250 emphasizes a balance of performance and user-friendliness, featuring an automatic CVT transmission for smooth operation and a focus on essential features for everyday use. This comprehensive Service Repair Manual in English provides in-depth information for the YUP 250 (2004). It covers a wide range of critical areas including full engine overhaul and tuning, fuel system diagnosis and repair, ignition system servicing, and detailed procedures for the cooling, transmission, braking, suspension, and electrical systems. The manual also includes guidance on bodywork, chassis maintenance, and troubleshooting with diagnostic charts. Designed for both professional technicians and knowledgeable DIY mechanics, this manual offers factory-level detail to ensure proper maintenance, repair, and optimal performance of the vehicle.