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Poot---glad to here that my suggestion fixed your problem--- You say "there is a steel "donut" that slides back & forth on the rod..."...what does it do?" I believe you are asking about one of the 2 governor rods? If so, There should not be anything at all sliding back and forth on the rods....however, that doesn't mean that a P.O. didn't improvise up a sliding weight system rigged up "donut fixum trick" to try to solve the problem you were having. If the donut is on the short rod, he/she may have thought the xtra weight would help push the idle adjustment screw down--remember when you pushed the screw "down" on your tractor it would idle better? Without a pic of this "donut" MY wild guess could be that one of the long rods ends just wore out, slipped over the springy thing inside of it, and is just joy riding up and down the rod. You would see that the long rod then would not have a complete adjustable tip on the end where it fastens to the governor and the hand throttle arm. The short rod ends are not adjustable. I would be interested in seeing a pic of this "donut" though. ----Tim
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