This manual covers the ATV Sport 400, manufactured for the model years 1996, 1997, and 1998. Designed as a performance-oriented sport ATV, the Sport 400 emphasizes agility, speed, and maneuverability, making it suitable for recreational riders, trail enthusiasts, and sporting competitors. Engineered with a two-stroke, liquid-cooled 377cc engine, it offers a robust power output for its class, complemented by a 5-speed manual transmission with an automatic clutch and a 2WD drive system. The vehicle's construction, originating from USA facilities, reflects a commitment to off-road capability and dynamic riding experiences. This comprehensive factory service repair manual provides in-depth technical guidance for maintaining and repairing the ATV Sport 400. It covers all essential systems, including detailed procedures for engine overhaul, transmission service, chassis, suspension, steering, braking, electrical, and fuel systems. Owners and technicians will find step-by-step instructions for maintenance tasks, component disassembly and reassembly, troubleshooting guides, and critical technical specifications such as torque values and fluid requirements. The manual's scope ensures that users can effectively diagnose issues, perform routine maintenance, and execute complex repairs, ensuring the optimal performance and longevity of the vehicle.