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Evinrude 90hp 1985

M

morrislake2000

New member
I got my boat out this spring

I got my boat out this spring and after running for 5 or 10 minutes a steady buzzer comes on in the controls. It won't stop untill the motor is off and sits for a while. It seems to be peeing water okay and a normal amount of water is spitting out the bottom outlet. Could it be a stuck thermostat? Where are the thermostats located?
 
A stuck thermostat could do th

A stuck thermostat could do that. There's a hose connected to each cylinder head. The other end of those hoses are connected to the thermostat housing. There are two thermostats.
 
"If u have'nt installed a

"If u have'nt installed a new water pump kit in a few years,or dont know the history,i would recommend replacing it for sure, also."
 
Turns out that replacing the t

Turns out that replacing the thermostats fixed the problem. I really didn't suspect the water pump impeller becuase it pumps water so strongly. THANKS
 
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