This manual covers the Yamaha 15ELF outboard motor, manufactured in 1989. Designed for marine propulsion, this 15-horsepower gasoline-powered internal combustion engine exemplifies Yamaha's commitment to engineering quality and reliability. Its robust construction and efficient design make it a dependable choice for various boating applications, offering a powerful and consistent performance on the water. The purpose of this comprehensive service repair maintenance manual is to provide detailed guidance for the upkeep and repair of your Yamaha 15ELF. It includes step-by-step disassembly, repair, assembly, and inspection procedures, supported by exploded diagrams placed before relevant sections. This factory professional manual in English is designed to assist owners, mechanics, and technicians in maintaining optimal performance and longevity of the outboard motor.