The Polaris Sportsman 800 EFI X2, produced for the 2009-2010 model years, represents a robust and versatile All-Terrain Vehicle engineered for demanding off-road applications. Featuring a liquid-cooled, 760cc ProStar EFI V-twin engine, this model offers reliable power delivery suitable for a wide range of tasks, from recreational trail riding to utility work. A key distinguishing feature of the X2 variant is its 2-up seating capability, enhancing its utility for carrying passengers, a significant advantage in its class. Its robust chassis, on-demand all-wheel-drive system, and substantial towing capacity underscore its design for performance, durability, and adaptability in challenging environments. This comprehensive factory service manual provides essential guidance for the maintenance, repair, and troubleshooting of your Polaris Sportsman 800 EFI X2. Spanning 386 pages in English, it covers all major systems, including the engine, fuel, ignition, cooling, drivetrain, transmission, suspension, steering, and brakes. Detailed procedures for disassembly, assembly, diagnostics, and routine maintenance are included, alongside crucial technical specifications, torque values, and wiring diagrams. This manual is an indispensable resource for owners and technicians alike, ensuring the optimal performance, longevity, and safe operation of the vehicle.