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Dennis, Im NOT a Ferguson experienced guy, but I would in this order suspect: 1) See if its only one cylinder thats misfiring. To do that use those insulated plug wire pliers to remove 1 plug wire at a time to see if it makes any difference in how she runs AS IT SHOULD, but if it makes no difference on or off, that cylinder isnt firing, so check its spark plug and plug wire and its compression. 2) Spark Plugs (try a fresh set if they appear
fouled or all blackened or oil residue). You may be able to use an insulated plug wire pliers tool to hold the wire end away from the plug terminal about 1/8 inch or so when shes running to see if that cylinder starts firing with the wire slightly removed. If so, replace that plug shes fouled. 3) Ignition Points, Replace if badly burned or pitted or carboned up and check the gap. Its possible to use a points file to dress them which may get her firing better temporarily, but once the shiny silver coating is gone they dont last long. Maybe clean/buff/polish them not too abrasively if only gray oxide coated. 4) Plug Wires, Insure they are not all cracked n worn or are allowing any spark to escape to the frame or head etc. In the night any lil arcings would show up better. 5) Distributor cap n rotor assembly, Insure no cracks or moisture or carbon traces and dry it with a hair dryer if shes wet inside. 6) Fuel, Insure she has fresh clean water freee gas and theres good gas flow through any sediment bowls or filters to the carb. if it has an oil bath air cleaner with an oil bath bowl at bottom, insure its not full of water. John T
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