Re: 1960 Evinrude 5.5 hp thermostat

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October 16, 2015 at 12:25 pm #25616
optsyeagle
Participant

    Drop the thing in a pot of water on the stove. Turn on some heat and measure when it starts to open and when it is fully open.

    The specified T-stat for that motor should start to open around 140F and be fully open by 150F. At least mine did.