This manual covers the 1988 Yamaha 115ETXG Outboard motor. Engineered for reliable performance, this 4-cylinder, water-cooled outboard delivers 115 horsepower from its 1731 cc displacement. Its robust construction and CDI ignition system are designed for demanding marine applications, ensuring dependable operation on the water. The 115ETXG represents a significant advancement in outboard motor technology for its production year, emphasizing power, efficiency, and durability. The purpose of this comprehensive English-language service repair maintenance manual is to provide detailed guidance for the complete disassembly, repair, assembly, and inspection of the Yamaha 115ETXG Outboard. It includes exploded diagrams to aid in understanding component relationships and assembly sequences. This manual is an essential resource for owners, mechanics, and technicians, offering the necessary information to perform routine maintenance, troubleshoot issues, and ensure the longevity and optimal performance of the motor.