Welcome to the comprehensive guide for your KVF650 Brute Force 4x4, a robust and capable all-terrain vehicle produced from 2005 to 2013. This first-generation model is engineered with a powerful 633 cc, 4-stroke V-twin engine, featuring dual Keihin CVKR-36 carburetors and digital CDI ignition, delivering reliable performance for a variety of demanding tasks. Its advanced 2WD/4WD shaft drive system, complete with an electric front differential lock, ensures superior traction and control in challenging environments. Built on a sturdy semi-double cradle tubular steel frame, the Brute Force 4x4 offers exceptional durability and stability, making it an ideal choice for work or recreation, supported by independent double A-arm front suspension and independent rear suspension for a smooth ride. This Service Repair Manual provides essential information for the maintenance and repair of your KVF650 Brute Force 4x4. Within these pages, you will find detailed procedures for all major systems, including engine, transmission, drivetrain, suspension, brakes, and electrical components. The manual covers routine maintenance schedules, fluid capacities, technical specifications, and diagnostic troubleshooting guides. By following the instructions outlined in this English-language document, owners, mechanics, and technicians can effectively maintain the optimal performance, reliability, and longevity of their vehicle.