This service repair workshop manual covers outboard motors manufactured between 1973 and 1991. These engines, representing late 20th-century outboard technology, offered a range of power outputs from 60 to 235 horsepower, with configurations including 3-cylinder, V4, and V6 models. Known for their engineering quality and reliability, these outboards were designed for a variety of marine applications. This manual provides detailed information to ensure optimal performance and longevity of your outboard motor. The purpose of this manual is to provide comprehensive guidance for the maintenance, repair, and troubleshooting of outboard motors. It includes detailed procedures for engine tuning, powerhead, fuel and ignition systems, electrical components, remote controls, lower unit, and power tilt/trim systems. With easy-to-read text sections and top-quality diagrams, this manual empowers owners and technicians to perform maintenance and repairs with confidence, saving time and money. This English-language manual is compatible with all versions of Windows and Mac, requiring only Adobe PDF Reader.