The Yamaha SZR660, a model from 1995, represents a significant entry in the lightweight sportbike category. Known for its agile handling, lightweight chassis, and a torquey single-cylinder engine derived from a robust engine family, this motorcycle offers a distinctive riding experience. It was engineered to provide a more accessible and spirited option within a segment typically dominated by multi-cylinder machines, making it a compelling choice for enthusiasts seeking performance and engaging dynamics. This Service and Repair Manual provides comprehensive guidance for the Yamaha SZR660. It covers essential maintenance procedures, detailed troubleshooting steps, in-depth component overhauls, and crucial technical specifications. The manual is designed to assist owners and technicians in effectively maintaining, diagnosing, and repairing the vehicle, ensuring its optimal performance and longevity. It includes step-by-step instructions and detailed illustrations to facilitate a thorough understanding of all service-related aspects.