Just got my sp out of storage of @2yrs. Cleaned carbs, new battery, and replaced grey fuel lines with automotive lines. The ski starts and runs great on the trailer, but as soon as it is in the water it slowing starts dying. It will not refire. After pulling the plugs they appear to be wet, but not smelling of gas. Compression is 145-150 in both cylinders. What are the most common reasons of this. My neighbor seems to think the head gasket is blowed, because of the plugs being wet.