This manual covers the 2008 Bruin 350 4WD and Grizzly 350 4WD models, including their respective HUNTER variants. These mid-range utility ATVs are renowned for their robust engineering, offering a reliable and capable platform for recreational trail riding, hunting expeditions, and light farm work. Key features contributing to their popularity include a durable 348cc SOHC engine, acclaimed Ultramatic automatic transmission with engine braking, and the convenient On-Command 2WD/4WD system. The rugged chassis, independent front suspension, and substantial cargo and towing capacities further solidify their reputation for performance and versatility in demanding conditions. This comprehensive factory service manual provides detailed information essential for the maintenance, repair, and troubleshooting of your ATV. It covers all major systems, including the engine, fuel system, Ultramatic transmission, drivetrain, suspension, brakes, and electrical system. Within its pages, you will find scheduled maintenance procedures, step-by-step disassembly and reassembly instructions, inspection and adjustment guidelines, and detailed troubleshooting guides for common issues. The manual also includes critical torque specifications, specialized tool information, and clear wiring diagrams, empowering owners and technicians to maintain their vehicles to OEM standards and ensure optimal performance and longevity.