The Brute Force 650 (KVF650) is a versatile All-Terrain Vehicle (ATV) known for its robust engineering and reliable performance, produced for the 2005 through 2011 model years. Featuring a 4-stroke, SOHC, V-twin liquid-cooled engine with a displacement of 633 cc, this ATV delivers ample power for a variety of tasks and terrains. Its design prioritizes durability and capability, with a high-tensile steel frame, automatic Continuously Variable Transmission (CVT) with high and low range, and selectable 2WD/4WD with a variable locking front differential for enhanced traction. The Brute Force 650 is well-suited for both demanding work applications, with significant cargo rack capacities and towing capabilities, and recreational trail riding, offering a comfortable and stable experience. This comprehensive service repair workshop manual, written in English, provides essential information for the maintenance, repair, and troubleshooting of the Brute Force 650 (KVF650) across its production years. Covering everything from routine scheduled maintenance, such as oil and filter changes, to complete engine and transmission rebuilds, this manual offers detailed, step-by-step instructions accompanied by clear, illustrated guides and exploded views. It delves into all major systems, including the engine, fuel, cooling, clutch, drivetrain, brakes, suspension, steering, frame, and electrical systems, providing in-depth diagnostic procedures and wiring diagrams. This resource is invaluable for DIY owners, home mechanics, and professional technicians seeking to ensure the optimal performance and longevity of their Brute Force 650.