So I finally got around to taking the heads off, and below are some pics of the heads and the water jackets. Obviously, there is some salt build-up in here.
To those with a trained eye - is this bad enough to cause the issues I'm seeing? Can you visually tell if the water deflectors are...
OK, here's the situation. I have rarely used this boat since by first daughter was born about 4 years ago. I pull it out into the drive way and will run it on the hose a couple times a season to make sure everything is ship shape. Last year, while running the overheat alarm sounded. I...