The 65 SX, model year 2015, is a potent entry-level competitive motocross machine designed for young racers and aspiring enthusiasts. Building on a strong off-road racing heritage, this 65cc two-stroke motorcycle is renowned for its race-bred performance, agile handling thanks to a lightweight chassis and quality suspension, and durability for the demands of motocross. Its potent engine and premium components offer a competitive advantage, making it a consistent performer in junior motocross championships and a favored choice among riders seeking a high-performance machine. This comprehensive Service Repair Manual provides technician-level detail for all aspects of the 65 SX, covering everything from routine maintenance to complete engine overhauls and advanced diagnostics. Within these pages, you will find detailed procedures for engine and transmission service, suspension and brake system maintenance, electrical system troubleshooting, and chassis component care. The manual includes critical specifications, torque values, fluid recommendations, and troubleshooting charts designed to assist owners, mechanics, and technicians in maintaining, repairing, and optimizing the performance and longevity of their 65 SX.