Re: 1978 Johnson 75 hp Stinger stalls when throttled up

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August 23, 2015 at 8:37 pm #22536
Don
Participant

    US Member

    The metal fire ring is usually distorted/head gasket material burned in the area of failure. Look for corroded/damaged sealing surfaces on the head and block where the failure occurred as well.
    Feel free to post pictures if that will help.
    For now, I am more worried about protected the internal parts of the engine, so pull the gearcase off, fire her up, and pump those carbs full of oil!