This manual covers the SMR 450 and SMR 510 models from the 2010 production year. Known for their performance-oriented supermoto design, these motorcycles blend off-road agility with street-legal capabilities, offering a dynamic riding experience. A rich heritage in competitive motorsport underpins the engineering and reliability of these machines, making them a choice for riders seeking both exhilarating performance and robust construction for spirited riding and daily use. This comprehensive factory service repair manual is designed to assist owners, DIY mechanics, and professional technicians in maintaining and repairing the SMR 450/510. It provides detailed information on engine systems, drivetrain, chassis components, and the electrical system, including wiring diagrams. The manual includes routine maintenance schedules, fault diagnosis, step-by-step repair procedures, and engine rebuilding guidelines. With hundreds of pages of factory-level diagnostics and repair information, this English-language resource empowers users with the knowledge to ensure their vehicle operates at peak performance and longevity.