Mod.# 5073M -- Found a decent deal on a wider more stable boat. However it comes with an engine problem. The head is already off and shows signs of something hammering on the top of piston. Left little square marks like a broken lock washer piece (as wide as it is long) 1/8th " maybe. I found that the engine will
rotate, both directions, almost exactly 180 degrees and stop. The pistons move up and down as they should. I'm guessing that something broke and came in through the holes in the cylinder walls.` Appreciate any ideas or suggestions.
rotate, both directions, almost exactly 180 degrees and stop. The pistons move up and down as they should. I'm guessing that something broke and came in through the holes in the cylinder walls.` Appreciate any ideas or suggestions.