I believe, it's been many years now.. that you may have a fuel shut off/on diaphragm problem. How/why it empties the pony crankcase is a mystery, but I suspect that it may be at least part of your problem.. as one side has oil and the other side gas... I suspect it could get rather "smoky" if you are pushing oil through the diaphragm. I remember my 720 got lots of oil slobber from that old pony. I'd start with the diaphragm and go from there.. valve guides, rings, etc.. if it has good enough power the turn the big engine over, I wouldn't suspect rings. Are all the cylinders firing? easy to miss at the RPMs the engine runs at...
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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