This repair manual covers Yamaha outboard motors manufactured between 1984 and 1996, encompassing a wide range of 2-stroke and 4-stroke models from 2HP to 250HP. These robust engines are renowned for their reliability and performance on the water, making them a trusted choice for various marine applications. This manual provides comprehensive guidance for maintaining and repairing these dependable powerplants, ensuring they continue to operate at peak efficiency. The scope of this manual is extensive, detailing everything from general information and routine maintenance to advanced troubleshooting and specific component repairs. It includes procedures for engine removal and installation, fuel and lubrication systems, electrical systems, and much more. This resource is designed to assist owners, mechanics, and technicians in performing all necessary service, repair, and parts lookup tasks accurately and efficiently, ensuring the longevity and optimal performance of your Yamaha outboard motor.