One condition might be an over rich mix for start operation. On mine, it was necessary to keep it rich to allow it to run, and that ment some choke for about 30 seconds. Then it seemed kinda rich even then. Maybe your carb is rich and fuel is condensing into the intake runners. The butterflys are adjusted as you have done to get them to seal up. however if the linkage or mechanical stops are out of adjustment, they can be held open. One issue is that the stops must be set to """just""" shut, or, if too tight, the plates will stick shut in cold weather and not allow diesel. Jim
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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