This manual provides comprehensive technical information for the 2010 ATV lineup, encompassing a range of models designed for utility, sport-utility, and specialized off-road applications. The featured ATVs utilize robust H1 and H2 V-twin, liquid-cooled, 4-stroke engines with displacements ranging from 400cc to 1000cc, primarily equipped with Electronic Fuel Injection (EFI) and automatic Continuously Variable Transmissions (CVT). These vehicles are known for their durable steel frames, independent suspension systems, and selectable 2WD/4WD capabilities, making them suitable for challenging terrains and demanding tasks. This full workshop service repair manual is designed to assist owners, mechanics, and technicians in the maintenance, repair, and troubleshooting of the specified 2010 ATVs. It covers all essential systems, including the engine, transmission, fuel system, electrical system, suspension, and steering, with detailed procedures for disassembly, reassembly, adjustments, and diagnostics. The manual includes comprehensive part diagrams, torque specifications, fluid requirements, and troubleshooting guides, enabling effective upkeep and repair to ensure optimal performance and longevity of the vehicle.