This Service Repair Workshop Manual provides comprehensive information for the Subaru Robin EY45V, a single-cylinder, air-cooled, 4-cycle gasoline engine with a vertical shaft. Engineered for reliability and performance, this engine is designed to meet the demands of various applications. Its robust construction and efficient operation make it a dependable choice for users seeking quality and durability in their power equipment. This manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the Subaru Robin EY45V engine. It covers essential maintenance procedures, including engine speed setting, magneto, carburetor, and starting motor service, as well as troubleshooting guidance and installation instructions. With highly detailed exploded pictures, diagrams, and step-by-step instructions, this English-language manual offers the necessary resources for both do-it-yourselfers and experienced mechanics to ensure the optimal performance and longevity of the engine.