I took out the lawn mower (Craftsman push mower with B&S 550e motor) to mulch some leaves this afternoon. Got it started and after two feet of happy mowing, I struck a hidden stone. The stone was about one inch by two inches and the mower immediately shot out a cloud of black smoke and began making a horrifying metal clanking sound. I shut it off and took a look.
The blade has a notch in it but is otherwise okay. I don't feel any play in the blade. I took the cylinder head off and the bore looks clean for the full stroke of the piston with no sign of gouging. I buttoned it back up and started it again. Clanking that quieted down a bit but never fully went away. Did I blow up a bearing? Trash the crank? Time to tell wifey we need a new mower?
The blade has a notch in it but is otherwise okay. I don't feel any play in the blade. I took the cylinder head off and the bore looks clean for the full stroke of the piston with no sign of gouging. I buttoned it back up and started it again. Clanking that quieted down a bit but never fully went away. Did I blow up a bearing? Trash the crank? Time to tell wifey we need a new mower?
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