The Brute Force 650 KVF 650 4x4, produced between 2005 and 2009, represents a robust and capable all-terrain vehicle designed for demanding off-road applications. This first-generation model is powered by a 633 cc 4-stroke V-twin engine featuring SOHC and a 4-valve per cylinder configuration, paired with dual Keihin carburetors for efficient fuel delivery. Its engineering emphasizes reliability and performance, boasting independent front and rear suspension with adjustable shocks, shaft drive with a 2WD/4WD system and variable differential lock, and powerful dual hydraulic disc front brakes complemented by a sealed, oil-bathed multi-disc rear brake. With a substantial towing capacity of 1,250 lbs and generous rack capacities, the Brute Force 650 is built for utility and adventure. This comprehensive Repair Service Workshop Manual provides essential information for the maintenance, repair, and restoration of the Brute Force 650 KVF 650 4x4. Written in English and featuring clear, step-by-step instructions with illustrations, the manual covers a wide range of topics including detailed engine specifications, drivetrain operation, chassis components, and fluid capacities. It also includes crucial troubleshooting guidance and maintenance intervals, making it an invaluable resource for professional technicians, mechanics, workshops, and DIY enthusiasts alike. This manual is designed to assist users in diagnosing issues, performing routine service, and rebuilding various systems to ensure optimal performance and longevity of the vehicle.