This manual covers the Yamaha 15 ELF outboard motor, produced in 1989. Designed for marine propulsion, this 2-stroke, gasoline-powered outboard motor delivers approximately 15 horsepower. Its compact and lightweight design, characteristic of the 'ELF' designation, makes it a versatile choice for various watercraft. Yamaha's commitment to engineering quality ensures reliability for its intended use on the water. The purpose of this factory service manual is to provide comprehensive guidance for the maintenance and repair of your Yamaha 15 ELF outboard motor. It includes detailed, step-by-step procedures for disassembly, repair, assembly, and inspection, supported by exploded diagrams. This English-language manual is searchable and bookmarked for ease of use, offering essential information for owners, mechanics, and technicians to keep the motor operating optimally and safely.