This manual covers the 2010 Sportsman 300 ATV, the 2010 Sportsman 400 H.O. ATV, and the 2010 Hawkeye 2x4 International. These vehicles are engineered for reliable performance in various off-road conditions, offering a balance of power and maneuverability for recreational and utility purposes. The Sportsman line is recognized for its robust construction and user-friendly design, making it a popular choice for riders of all experience levels. This comprehensive service manual provides detailed guidance for the maintenance and repair of your Sportsman vehicle. It includes step-by-step procedures for all major systems, such as the engine, fuel system, transmission, brakes, and electrical components, complete with diagnostic information and troubleshooting tips. The manual is designed to empower owners and technicians with the knowledge required to keep their vehicle in optimal condition, ensuring longevity and peak performance through accurate repairs and regular servicing.