Reply To: Fuel mixture Evinrude 18 HP Fastwin 1960

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November 24, 2022 at 12:06 pm #269323
Don
Participant

    US Member

    While today’s oils have surely improved, I would recommend staying with the original 24:1 mixture, especially during the break in.  These engines, when in good tune, hardly smoke at all, even at 16:1.  Stick with the original recommendation, 24:1.