This manual covers the Yamaha V6 Outboard models manufactured in 1986, part of the V6 Series generation. These robust engines were available in 150 HP, 175 HP, and 200 HP variants, featuring a 2-stroke V6 configuration with 6 cylinders. They are water-cooled and utilize a carbureted fuel induction system along with a CDI ignition system. The transmission offers Forward, Neutral, and Reverse (F-N-R) operation with varying gear ratios depending on the specific model. Yamaha's commitment to engineering quality and reliability is evident in these powerful and versatile outboard motors, designed for a wide range of marine applications. This Service Repair Workshop Manual provides comprehensive guidance for the Yamaha 150, 175, and 200 HP V6 Outboard models from 1986. It details essential maintenance procedures, including lubrication specifications, and offers in-depth troubleshooting information to address potential issues. Technical specifications covering engine displacement, performance, cooling systems, transmission, fuel and ignition systems, electrical charging, and propeller compatibility are thoroughly explained. Safety guidelines are also included to ensure proper and secure operation. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, repair, and optimize the performance of their Yamaha V6 Outboard engines.