The Mongoose KXR 250 is an All-Terrain Vehicle (ATV) from 2003, designed for recreational and trail riding. A Taiwanese manufacturer is recognized for producing quality and value in its range of scooters, motorcycles, and ATVs. The Mongoose series, in particular, highlights a commitment to sport ATV offerings. This particular model, the KXR 250, is engineered with a robust frame suitable for off-road conditions and typically features a 250cc single-cylinder, 4-stroke engine, likely liquid-cooled and carbureted, delivering dependable performance for its intended use. This comprehensive service repair manual in English is designed for Mongoose KXR 250 owners and independent repair shops. It provides essential information for maintaining and repairing the vehicle, covering everything from general information and frame components to the engine, drivetrain, suspension, steering, brakes, and electrical systems. The manual includes detailed maintenance procedures, lubrication specifications, troubleshooting guides, diagnostic procedures, and repair instructions, all supported by high-quality illustrations and diagrams. Its scope ensures that users, even those with some basic mechanical knowledge, can effectively service and keep their ATV in optimal condition, potentially saving on dealership service costs.