Re: Magneto Model A John Deere

Posted by Robert on July 22, 2004 at 06:39:05 from (199.245.220.253):

In Reply to: Magneto Model A John Deere posted by Jason on July 21, 2004 at 19:47:19:

Probably the easiest way, is to take the cover off the magneto, pull the spark plugs (so that you can turn the engine over by hand easier), then, take a paper clip, attach it to the magneto case with a screw, and bend the paper clip so that it is about 3/16" away from the metal contact on the coil.
Then, get a friend to watch the space between the clip and coil as you turn the flywheel forward, you should hear a "snap" as the flywheel comes around at "LH Imp", and again 180 degrees later. A decent spark should also be visible each time you hear the snap, which is the impulse coupling on the magneto.
If you have spark there, then you can assume the magneto is working, put the cap back on, and check the spark plugs....
Good Luck!

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