does a I/O have a thermostat

[spareparts]

Originally Posted by THEFERMANATOR

That impeller got run dry is what did it in. You can tell by the wear on it as age tends to just lay the vanes over whereas running it dry burns them off. And put a 140 t-stat back in it since it is a raw water cooled engine. You could do a 160, but the 140 seems to work better and reduce temp spikes from my experience.

what he said!

take a long look at how the thermostat is installed in your housing, its easy to put it in wrong, just find the right parts break down and it should show all the parts in their correct order