This manual covers the 2009 Bruin 350 4WD and Grizzly 350 4WD / Hunter ATVs. These mid-size utility vehicles are known for their balance of capability and reliability, making them suitable for recreational trail riding, light farm work, and general exploration. Key features include a 348cc liquid-cooled engine, automatic transmission with engine braking, on-command 4WD with a locking front differential, independent rear suspension, and ample ground clearance. The commitment to build quality and user-friendly operation were significant selling points in their competitive market segment. This comprehensive service, repair, and maintenance manual provides detailed information essential for the upkeep and repair of your 2009 350cc 4WD ATV. It covers all major systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical system. Within its pages, you will find routine maintenance procedures, detailed disassembly and reassembly instructions for all components, troubleshooting guides for common issues, diagnostic procedures, and all necessary technical specifications and torque values. This manual is an indispensable resource for owners, mechanics, and technicians aiming to maintain the performance, reliability, and longevity of these capable machines.