Well, went to finish mowing the lawn this evening, and the one remaining retaining bolt for the muffler for the lawnmower sheard off, leaving the tip in the enging housing. In phutzing around with the thing, I discovered that the fuel line from the carburator had also cracked.

The new lawnmower seem to do the job well. There was only enough time before dark to assemble the thing and take it for a short test mow.

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On the kinkometer, my kink measures as a sine wave.