This manual covers the 2008-2009 Suzuki KingQuad ATVs, specifically the LT-A400/F and LT-F400/F models. The KingQuad is a mid-size utility ATV known for its reliability and capability, competing in a segment popular for both recreational riding and light work. It features a 376cc single-cylinder, air-cooled engine with an automatic CVT transmission, available in both 2WD and 4WD configurations. The ATV is designed with independent front suspension, a swingarm rear suspension, and hydraulic disc brakes for effective performance and control. Its robust build and user-friendly design have made it a respected choice among ATV enthusiasts. This comprehensive workshop repair service manual provides detailed information for maintaining and repairing your 2008-2009 Suzuki KingQuad. It covers all mechanical and electrical systems, including engine disassembly and assembly, fuel and ignition systems, transmission, drivetrain, suspension, steering, braking system, and chassis. The manual includes routine maintenance procedures, diagnostic guides for troubleshooting common issues, and in-depth repair instructions for component overhaul and rebuilds. With clear, high-resolution content, this manual is an essential resource for owners and technicians aiming to ensure the optimal performance and longevity of their KingQuad ATV.