This manual covers the Yamaha Marine 55 HP 2-stroke Outboard, produced between 1989 and 1995. These outboards are engineered for reliable performance on the water, featuring a carbureted fuel system, CDI ignition, and water-cooling for efficient operation. Their inline cylinder configuration and robust construction ensure durability for various marine applications. This comprehensive Service Repair Manual provides essential information for maintaining and repairing your Yamaha Marine 55 HP outboard. It details all aspects of service, including procedures, troubleshooting, technical specifications, and safety guidelines. With detailed diagrams, instructions, and important points, this manual is an invaluable resource for both professional mechanics and DIY enthusiasts seeking to ensure optimal performance and longevity of their vessel's propulsion system.