Reply To: Water seems to not be flowing. 1964 28 HP Evinrude Speeditwin 28402M

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April 16, 2025 at 7:15 am #295464
Don
Participant

    US Member

    OK, no thermostat on these engines.   Is there any spray at all coming from the relief hole?  I don’t really understand what you are referring to about the water tubes.   You bought the engine with no gearcase, does the powerhead look like it has been overheated in the past?