Reply To: 1936 Evinrude 4.4 hp Fisherman model 4148 motor

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July 18, 2023 at 9:21 am #278203
Buccaneer
Participant

    US Member

    Did you try blowing compressed air in the water line,
    where it connects to the check valve, to see if any air
    blows out the exhaust manifold blow hole, or else where?

    Did you have the exhaust manifold off to check the cooling
    passages?

    Prepare to be boarded!