This manual covers the Yamaha Exciter II 570 snowmobile models produced between 1991 and 1993, including various LE, ST, and SX configurations. The Exciter II 570 is recognized for its performance-oriented design, building on Yamaha's strong legacy in snowmobile engineering. Its 561cc fan-cooled, two-stroke engine, dual Mikuni carburetors, and a two-speed transmission with reverse provide a capable platform for trail riding and off-piste adventures. The snowmobile features a robust chassis, front telescopic forks, and a rear bogey wheel suspension system designed for stability and control in varied snow conditions. Notable technological features include an electric start option on LE models and standard safety equipment like a kill switch and lighting. This factory repair manual provides comprehensive guidance for owners, mechanics, and enthusiasts. It details all aspects of maintenance and repair, from routine servicing, lubrication schedules, and fluid specifications to complete engine overhauls and drive train servicing. The manual includes detailed procedures for the engine, fuel, ignition, drive train, suspension, electrical, bodywork, brakes, cooling, and exhaust systems. Troubleshooting guides, diagnostic charts, torque specifications, and illustrated part diagrams are included to facilitate accurate problem diagnosis and repair. The manual's searchable text and clickable chapters ensure efficient access to information, enabling users to maintain their Yamaha Exciter II 570 snowmobile effectively.