Reply To: 1980 ish Mercury 7.5 hp Tell-Tale?

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October 7, 2022 at 5:19 pm #267247
Don
Participant

    US Member

    Yeah, not familiar with the merc cooling system, but it appeared as though steam/exhaust was coming out of that telltale, which probably indicates it is not plugged.  Was the engine gettting hot, kind of looked that way.  In this case, I think the telltale is telling the truth.