The LT-F400F King Quad is a capable mid-size all-terrain vehicle (ATV) designed for recreational riders and light utility tasks. Built by a manufacturer with a strong legacy in producing reliable and durable ATVs, this model typically features a liquid-cooled, 376cc single-cylinder engine paired with an automatic Continuously Variable Transmission (CVT) offering Hi/Lo range and Reverse. Its selectable 2WD/4WD system, independent front suspension, and hydraulic disc brakes contribute to its versatility and control across various terrains. The King Quad line is generally well-regarded for its utility and dependable performance.

This comprehensive service repair manual covers all aspects of the LT-F400F King Quad, providing detailed procedures for repair, maintenance, rebuilding, refurbishing, and restoration. It includes in-depth guidance on engine service, fuel system diagnostics, drivetrain maintenance, suspension and braking system repairs, and electrical system troubleshooting, complete with wiring diagrams. The manual also details routine maintenance tasks, offers systematic troubleshooting guides for common issues, and provides critical technical specifications such as torque values, clearances, and fluid types, empowering owners and technicians to effectively maintain and repair their ATVs.