Farmall Cub - inconsistent spark, magneto problem?
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Posted by Gary Walters on June 30, 1998 at 06:03:30:
I have a '48 Cub that was running fine for years until it decided to sputter and shoot flame from the exhaust. I have traced the problem down to not getting a consistent spark. The firing order should be 1342, when I check the plugs I am only getting fire intermittently, nothing close to the correct firing order. I have replaced everything ignition wise except the magneto. The impulse coupling does seem to be working. Could it be a problem with the coil unit? I was always under the assumption that they either worked or didn't, none of this inconsistent spark stuff. Should I disconnect the kill switch for a quick test?
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