This manual provides comprehensive service and repair information for the 2007 Sportsman 450 500 X2 EFI All-Terrain Vehicle (ATV). Known for its blend of utility and recreational capabilities, the Sportsman line offers robust performance. This specific model, equipped with an Electronic Fuel Injection (EFI) system and available in 450cc and 500cc engine variants, is designed for demanding off-road use. The X2 designation suggests specific configurations tailored for versatility, ensuring reliable operation across various conditions. This workshop repair service manual, presented in English, offers hundreds of pages of detailed technical guidance, diagrams, and illustrations. It covers all aspects of the vehicle, including general information, fuel, cooling, lubrication, and electrical systems, as well as the engine, clutch, transmission, drivetrain, brakes, suspension, steering, and frame. The manual includes step-by-step procedures for service, maintenance, troubleshooting, disassembly, assembly, and repair, making it an essential resource for owners, DIY mechanics, and professional technicians to maintain and restore the vehicle to optimal working condition.