This manual covers the Yamaha 115ETXG outboard motor, manufactured in 1988. Designed for reliable performance, this gasoline-powered outboard motor delivers 115 horsepower, making it suitable for a range of marine applications. Its robust engineering and quality construction ensure durability and efficiency for owners and operators. The purpose of this Factory Service Repair Maintenance Manual is to provide comprehensive guidance for the service, repair, and maintenance of your Yamaha outboard motor. It includes detailed, step-by-step instructions, accompanied by illustrations, photos, wiring diagrams, and exploded views. Key areas covered include general information, periodic inspections, fuel system, power unit, lower unit, bracket unit, electrical system, and troubleshooting diagnostics, empowering owners and technicians to maintain optimal functionality and longevity.