Reply To: Correct needle setting on mercury force 120 carb

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June 20, 2022 at 5:13 pm #261732
billw
Participant

    US Member

    Should be 1 1/2 turns out from lightly seated. Per the book, allow engine to warm. Go to lowest reliable rpm. Turn each carb 1/8 of a turn in at a time, till engine pops, then back each one out 3/16. Then make sure it will accelerate afterwards.

    Long live American manufacturing!