This Service Repair Manual covers the 2011 CR50 and SM50 models, designed as entry-level performance motorcycles. A brand with a rich Swedish heritage in off-road and motocross, engineered these 50cc, 2-stroke machines for spirited riding. Notable features include their robust build, single-cylinder liquid-cooled engines, automatic transmissions with centrifugal clutches, and hydraulic disc brakes. These motorcycles are ideal for young riders and enthusiasts seeking a capable and engaging experience in the 50cc segment, offering a blend of performance and reliability characteristic of the brand. This comprehensive manual serves as an essential resource for do-it-yourself enthusiasts and professional mechanics alike. It provides detailed, step-by-step instructions, illustrations, diagrams, and wiring schematics covering complete tear-downs and rebuilds, routine maintenance, and advanced troubleshooting. Key areas addressed include engine, fuel system, ignition, cooling, lubrication, transmission, clutch, drivetrain, suspension, brakes, electrical system, and chassis. The manual empowers owners to perform their own repairs and maintenance efficiently, ensuring the continued optimal performance and longevity of their CR50 or SM50 motorcycle.