The 60 SX and 65 SX models from 1999 are performance-oriented motocross motorcycles designed for junior riders, embodying a renowned 'Ready to Race' philosophy. These machines feature lightweight construction, powerful liquid-cooled two-stroke engines, and adjustable suspension, making them competitive in their class. Known for their robust build and agile handling, they were engineered to withstand the demands of off-road racing and provide an engaging riding experience, reflecting a strong heritage in motorsport. This manual serves as a comprehensive technical guide for the 60 SX and 65 SX motorcycles. It covers all aspects of maintenance, repair, and troubleshooting, including detailed procedures for the engine, chassis, and electrical systems. Within its pages, you will find step-by-step instructions, diagnostic information, technical specifications, and guidance on special tools required, ensuring that owners, mechanics, and technicians can effectively maintain and restore these performance-oriented machines to optimal working condition.