This manual covers the Yamaha 55 HP 2-Stroke Outboard, manufactured between 1989 and 1995. These engines are known for their robust engineering and reliable performance, making them a trusted choice for various marine applications. This guide is designed to provide comprehensive information for owners and technicians alike, ensuring optimal operation and longevity of your Yamaha outboard. The scope of this Service Repair Workshop Manual is extensive, detailing everything from general information and safety precautions to in-depth maintenance procedures for critical systems such as the fuel, electrical, ignition, lubrication, and cooling systems. It includes detailed coverage of the powerhead, lower unit, trim and tilt, remote control, and hand rewind starter. Furthermore, this manual provides essential troubleshooting guidance and wiring diagrams, empowering users to effectively maintain, diagnose, and repair their Yamaha 55 HP 2-Stroke Outboard.