This manual covers the ATV Sport 400 models manufactured between 1996 and 1998, including chassis codes SC400A, SC400B, and SC400C. Designed for the entry-level to mid-range sport ATV segment, the Sport 400 is recognized for its agile handling and sporty performance, making it suitable for recreational trail riding. Key features include a liquid-cooled 378cc 2-stroke engine, providing consistent performance, and full independent front and rear suspension for a comfortable ride. A pioneer in the ATV market, this model was developed as part of its expansion into sportier ATV offerings, balancing performance with affordability. This comprehensive Service and Repair Manual in English provides detailed guidance for owners and technicians. It covers all essential aspects of the ATV Sport 400, from routine maintenance such as oil changes and filter replacements to in-depth repair procedures for the engine, fuel system, ignition, cooling, transmission, drive system, suspension, brakes, electrical systems, and steering. The manual includes troubleshooting guides, diagnostic procedures, and technical specifications, ensuring proper maintenance and repair to keep the vehicle in optimal condition.