The SM400R, produced for the 2007 and 2008 model years, represents a robust offering in the Supermoto segment. Building on a rich heritage in off-road competition, this motorcycle is engineered for agility and performance, appealing to enthusiasts and professionals alike. Its design emphasizes a powerful single-cylinder, four-stroke engine, typically around 400cc, delivering an estimated 40-45 horsepower. The SM400R is built to handle a variety of riding conditions, combining road-legal capabilities with the spirit of off-road riding, making it a distinctive choice for riders seeking a dynamic and engaging experience. This comprehensive workshop service repair manual is designed to be an indispensable resource for maintaining and repairing the 2007-2008 SM400R. It covers all models, engines, trims, and transmission types, providing detailed information on general procedures, fuel and cooling systems, engine components, clutch, lubrication, powertrain, brakes, suspension, steering, frame, and electrical systems. The manual includes step-by-step instructions for service, maintenance, troubleshooting, disassembly, assembly, and diagnostics, along with critical technical specifications, torque values, wiring diagrams, and identification of special tools. This professional-level guide empowers owners and technicians to perform a wide range of tasks, ensuring optimal performance and longevity of the vehicle.