Quote:
Originally Posted by carterjoe
So I overheated the K301 in my 125 the other day while mowing. It started to bog down and blow smoke. I shut it down and saw that it had overheated pretty bad. The gas was near boiling in the tank. So I pulled the shroud off and cleaned some grass out. While I was at it, adjusted the timing to see if that would help also. When I started it back up, it makes a horrible sort of squealing sound as I crank it. It almost impossible to start, but when it does, The squealing speeds up with the engine. Any ideas? I was thinking maybe head gasket air leak?
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My guess is that you may have scored the piston. I'd take the head off and take a look at the cylinder.