This Service Repair Workshop Manual covers the Yamaha V6 Outboard, specifically the First Generation V6 Outboard models produced in 1984. These robust engines are known for their reliable performance and are designed for a variety of marine applications. Featuring a V6 engine configuration with 6 cylinders and a displacement of approximately 2.6 liters (159 cubic inches), these outboards were available in 150 HP, 175 HP, and 200 HP variants. The engine utilizes a CDI ignition system and water cooling, paired with a carbureted fuel delivery system and a traditional outboard lower unit with forward, neutral, and reverse gears. The purpose of this manual is to provide comprehensive guidance for the maintenance, repair, and servicing of your Yamaha V6 Outboard. It details essential procedures, including recommended oil types for the engine and gearcase, break-in periods, and scheduled maintenance intervals. Technical specifications, troubleshooting advice, and information on propeller options are also included. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance, longevity, and safety of the 1984 Yamaha V6 Outboard.