The KX65, a 2010 model, represents an entry-level offering in the competitive youth motocross and off-road motorcycle segment. Engineered for aspiring young riders, it combines a lightweight, powerful, and easy-to-handle platform designed for learning and racing. Its liquid-cooled, 2-stroke, single-cylinder engine, featuring the integrated power-valve system, delivers approximately 15.8 HP, providing a robust foundation for developing riding skills. Built with a high-tensile steel semi-double cradle frame and hydraulic disc brakes, the KX65 is a testament to motorsports heritage, offering a well-established and reliable machine for young enthusiasts. This comprehensive service and repair manual provides essential information for maintaining and troubleshooting the 2010 KX65. Covering a wide range of topics from routine maintenance procedures, such as oil changes and air filter cleaning, to in-depth engine and transmission rebuilds, this manual is an indispensable resource. It includes detailed sections on the fuel system, cooling system, chassis, suspension, and brakes, along with diagnostic charts and wiring diagrams. Aimed at both professional technicians and DIY mechanics, this English-language manual offers the technical depth required to ensure the KX65 performs optimally, making it a vital tool for owners and service personnel.