If the governor spring is broke, the engine will race.
If the thrust bearing has bit the big one, the engine won't rev up.
Fix the fuel supply, then time the carburetor to the governor. Engine off, disconnect the throttle rod at the yoke in front. Throttle lever to full. Adjust the length of the throttle rod such that the pin just slips through easily with the carburetor at wide open throttle.
After that, the screw on the bottom of the governor controls surging. Remove the cap, loosen the lock nut, and tighten the screw a little at a time to stop the surging.
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Today's Featured Article - Some People Like Red - by Art Willis. I was smitten, as a little boy, by red tractors. I used to play in the coastal sand of my Dad & Mom's home with little red tractors, trucks and cars. I grew up believing that like fire trucks, ALL tractors are supposed to be red! Today, the only way I would drive a John Deere is if someone would paint it RED! Driving a Tractor for the first time - About 19 years ago, when my wife Donna and I moved to what was the country then, I was given access to a large Farmall tractor by a wi
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