The FL400R, produced from 1989 to 1990, is a capable Sport ATV designed for recreational and utility use. Building on an esteemed legacy in ATV development, this first-generation model offers a rugged design, reliable engineering, and sporty performance characteristic of its era. It represents one of the early contributions to the performance ATV market, appealing to riders seeking a robust and dependable machine for various off-road activities. This comprehensive service manual provides detailed guidance for the repair and maintenance of your FL400R. Covering everything from complete tear-downs and rebuilds to routine scheduled maintenance, it offers in-depth information on all major systems, including the engine, fuel system, drivetrain, suspension, brakes, and electrical system. The manual includes troubleshooting guides, error code interpretation, technical specifications, torque values, and visual aids like diagrams and pictures, empowering owners and technicians to effectively maintain, diagnose, and repair the vehicle, thereby extending its lifespan and ensuring optimal performance.