Re: service manual for mid 80s inline 6 Merc 90hp

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August 24, 2017 at 1:57 am #63711
20mercman
Participant

    Yes, three single carburetors. The high speed jet is behind a plug. These carburetors need to be synced to make sure that the throttle plates all are opening at the same time. This is a wonderful motor, and was one of Mercury’s best.

    Steve