This manual covers the MXU 50 REVERSE, MXU 50, and MX'ER 50 all-terrain vehicles (ATVs), model codes LA10 and LB10. These entry-level to mid-range recreational ATVs are known for their value, reliability, and engineering quality, characteristic of a strong reputation in the powersports industry. The MXU series offers versatility, with the MXU 50 REVERSE model featuring a distinct reverse gear functionality for enhanced maneuverability. These ATVs are powered by an air-cooled, 4-stroke, SOHC engine with a displacement of approximately 49.5 cc, managed by a CDI ignition system and typically a carburetor fuel delivery. This comprehensive Service Repair Manual provides detailed procedures for the maintenance, diagnosis, and repair of your ATV. It covers a wide array of systems, including the engine, fuel system, electrical components, braking, suspension, and steering. The manual is designed to assist owners, mechanics, and technicians in performing everything from routine maintenance, such as oil changes and spark plug servicing, to in-depth component repair and troubleshooting. With clear instructions and technical specifications, this manual ensures your vehicle remains in optimal condition and performs reliably for all your recreational needs.