Reply To: 1955 Johnson 25HP

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June 25, 2023 at 3:05 pm #277367
frankr
Participant

    HS needle backed out 3/4 turn from lightly seated.  LS needle 1-1/2 turns.  That will get it started.  Final adjustment to be done on a boat on the lake.  Simply adjust to where it runs the best at WOT and idle.  It ain’t rocket science, though some people try to make it so.