This workshop repair and service manual is for the 65SX and 60SX models, covering production years from 1998 to 2003. These mini motocross motorcycles are built with renowned off-road racing heritage, designed for young riders entering competitive off-road environments. The 65SX platform, powered by a liquid-cooled, two-stroke single-cylinder engine, is engineered for performance and durability, featuring a 6-speed manual transmission and a wet multi-plate clutch. This manual provides comprehensive technical information, enabling owners and mechanics to maintain and repair these specialized machines effectively. This manual offers in-depth coverage of the vehicle's engine, fuel system, cooling system, and electrical system, including the alternator and regulator. It details routine maintenance procedures, troubleshooting diagnostics, and mechanical repair processes, from basic servicing to detailed engine overhaul. Essential technical specifications, tightening torques, and guidance on special tools required for repairs are also included. The manual is presented in English and is provided in a high-quality, zoomable format, allowing for easy printing of specific sections and searchability to support efficient and accurate servicing.