This manual covers the 65 SX and 60 SX models from the 2002 model year. These brands are recognized for their strong heritage in off-road motorcycling, with the 65 SX specifically designed as a competitive youth motocross machine. These motorcycles are engineered for young riders transitioning into competitive racing, emphasizing robust performance, durability, and straightforward maintenance. Their design focuses on delivering optimal performance and rider control essential for the demanding environment of motocross. This comprehensive service manual provides detailed information for the maintenance, repair, and troubleshooting of the 2002 60 SX and 65 SX models. It covers critical areas such as engine assembly and disassembly, component-specific procedures for the cylinder head, piston, crankshaft, clutch, and gearbox, as well as electrical system diagnostics and carburetor tuning. The manual includes step-by-step instructions, technical specifications, torque values, and troubleshooting guides, empowering technicians and owners to ensure the optimal performance and longevity of their motorcycles.