If it is running on one cylinder it would just sound like a single cylinder lawn mower idling. Putt putt putt. Running rough means irregular firing making variable speed and little power. With it running, pull off one plug wire at a time (with insulated plug wire pliers). This allows diagnosis of which cylinders are working. If no change the cylinder is not working. If it dies, or slows down radically it is working. The #2 plug seems to have oil fouling on it. the others look about right for today's fuel, and a few hours of run time. The next step is to assure the point gap is correct, the timing is good, and the mixture is rich enough. If these are good, and the issue persists, check the compression. adjust the valves, and get back to us. Jim
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Today's Featured Article - Buying your first tractor: The People You Buy From - by Chris Pratt. If you are a first-time buyer, chances are that you are likely to take the word of the seller on things. This is where the problems start... You have reviewed your implement needs and determined the size of machine that will fit the bill and even made a list of the most desirable models. You checked on the availability of a 3-point hitch for the machines on the list and advertised in your local classified paper with so
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