so after over heating and i sanded down cillined walls shaved head replaced therastat good impeller. had to pull the fly wheel because everything under it was loose retitend with lock tite. took it out for a test run it ran better then ever before but the pee streem is weeker and more water come out of exoust then before the water from the streem is warm when before it was cool with acational warmth in it motor was hot to touch ran for about an hour it didnt overheat but i didnt push it past half throtle would like to know temp range then check with temp tester. its a 1976 35 johnson 35r76g thaks for looking