The 2009 Sportsman 800 HO EFI is a capable Performance Utility ATV, designed for both demanding work and recreational off-road adventures. Building on the strong heritage of the Sportsman line, this model features a powerful 779cc V-twin, 4-stroke engine with Electronic Fuel Injection (EFI) for enhanced performance and efficiency. Its robust engineering includes an On-Demand All-Wheel Drive (AWD) system, independent front and rear suspension, and a significant 11.5 inches of ground clearance, making it well-suited for tackling challenging terrain. With a towing capacity of 1,500 lbs and substantial rack capacity, the Sportsman 800 HO EFI offers versatility for various tasks. This comprehensive Service Repair Workshop Manual in English provides in-depth guidance for maintaining and repairing the 2009 Sportsman 800 HO EFI. It covers all essential systems, including engine mechanicals, fuel and ignition systems, cooling, transmission, drivetrain, suspension, brakes, steering, and the electrical system. The manual includes detailed procedures for preventive maintenance, troubleshooting common issues, and performing complex repairs, supported by clear instructions and likely illustrations. It also outlines technical specifications and lists any specialized tools required, ensuring that owners, mechanics, and technicians have the necessary information to keep this ATV in optimal condition.