This manual covers the 2010 BRUIN 350 4WD and GRIZZLY 350 4WD models, including their HUNTER variants. These versatile all-terrain vehicles are engineered for a wide range of utility and recreational purposes, offering robust performance and renowned reliability. With a focus on durability and capability, these models are well-suited for demanding trails, farm work, and outdoor exploration, benefiting from extensive experience in ATV development. This comprehensive service repair and maintenance manual provides detailed instructions for all aspects of vehicle upkeep and repair. It covers engine, fuel, drivetrain, transmission, suspension, braking, electrical, and cooling systems, along with chassis, bodywork, and steering. Included are procedures for routine maintenance, complete disassembly and assembly, troubleshooting, and rebuilds, ensuring owners and technicians have the information needed to maintain these ATVs to factory specifications.