The 65 SX is a purpose-built motocross machine designed for young riders, representing a commitment to developing competitive junior racing platforms. Produced from 1998 through 2002, this model has been a staple in the competitive arena, known for its robust engineering and performance-oriented design. Its 2-stroke single-cylinder engine, displacing 65 cc, is liquid-cooled and paired with a 6-speed manual transmission and a hydraulically operated clutch, providing riders with the power and control necessary for off-road racing. The 65 SX is a proven contender, a testament to heritage in motorsport and its dedication to fostering talent from an early age. This comprehensive Service and Repair Manual for the 65 SX covers the model years 1998 to 2002. It provides detailed instructions for all aspects of maintenance and repair, including complete engine disassembly and assembly, transmission overhauls, suspension servicing for components, brake system maintenance, and electrical system diagnostics. The manual also details routine maintenance, troubleshooting common issues, and includes specific procedures for engine rebuilds, carburetor adjustments, and torque specifications. With clear illustrations and step-by-step guidance, this English-language manual is an essential resource for professional technicians and experienced DIY mechanics seeking to maintain and optimize the performance of their 65 SX.