The 2005 MXU 300/250 is a versatile All-Terrain Vehicle (ATV) engineered for a range of recreational and utility purposes. Built by a manufacturer known for its reliable and value-oriented powersports vehicles, this model offers a robust platform for trail riding and light work. Its design emphasizes practical performance, featuring a steel frame and a liquid-cooled, single-cylinder engine available in 250cc and 300cc variants, typically paired with an automatic CVT transmission and shaft drive. The MXU series is recognized for providing capable performance at an accessible price point, making it a popular choice for riders seeking dependable off-road mobility. This comprehensive Service Repair Manual provides essential information for the maintenance, repair, and troubleshooting of your 2005 MXU 300/250 ATV. Covering a wide array of systems, including engine mechanicals, fuel, cooling, lubrication, brake, suspension, steering, and electrical systems, this manual offers step-by-step instructions with clear diagrams. It details procedures for inspection, adjustment, lubrication, disassembly, and reassembly, catering to users with varying levels of technical expertise. The manual is designed to empower owners and technicians to effectively maintain their vehicle, ensuring optimal performance and longevity while potentially saving on service costs.