Speedinfour 80hp

[interlink]

Does my evinrude from 1967 #80752 have a thermostate? if it does, where on the engine is it placed?

Lars
Sweden

 

[Joe Reeves]

Re: Speedinfour 80hp

Notice the hoses at the lower portion of the cylinder heads? The other end of those hoses are connected to the thermostat housing.

 

[F_R]

Re: Speedinfour 80hp

Inside that black plastic thermostat housing you will find two plastic valves. One of them is pushed open by the thermostat element, properly called a "vernatherm". The other one is pushed open by water pressure and is there to prevent exhaust gasses from backflowing into the cooling system

 

[interlink]

Re: Speedinfour 80hp

Thanks for your fast answer
Lars