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1977 25 hp johnson: thermostat location

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  • 1977 25 hp johnson: thermostat location

    hello everyone :
    Can anyone tell me where the thermostat is located on this motor?
    model# is 25R77. Also , is there some place i can download a schematic of the motor in pdf.

    A problem has risen in the cooling system and im trying to track it down. IF its not the thermostat ,the water pump is next.I will replace both just to be on the safe side,but first i must locate the thermostat.There is a cover plate located on the left side of the motor, that looks to be about 6 in. wide and about 8 in. high where the water is expelled from, when the pump is working.
    Im thinking this might be where the thermostat is located. Am i close?

    Any help will be appreciated thank you.

    traveler

  • #2
    Try this link it might help you a bit for an evinrude but they could be close.

    http://shop2.evinrude.com/Index.aspx..._id=0&siteid=1

    go under your engine(year and HP) and then CYLINDER & CRANKCASE, good luck
    Last edited by MontanaPete; 08-22-2010, 01:02 PM.

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