FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have a knocking noise and can't determine where it's coming from. Little history - I had the lower unit impeller go bad and it over heated the engine. I pulled the head and had it checked because water was getting in the oil. Head checked out good and I replaced the head gasket of course...
