Disconnect wires from points. Use an ohm meter set at low ohms scale and check that resistance goes from infinity to zero across the points, when the points close. Not two ohms, not one ohm….zero. Points can look great but not make the proper connection. If this test fails, you’ll have to clean the points. If this test is passes, then put the meter on high ohms scale and check that the reading is infinity with the points OPEN. You’re looking for a high-ohm short to ground, through the point assembly.
I would also be willing to bet money that, if the condensers are original, they will not pass a leakage test. This does require a dedicated magneto analyzer to test properly. It’s just as easy for a regular guy to get new condensers.
Long live American manufacturing!
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This reply was modified 5 years, 3 months ago by billw.