[AJD] Magneto?

[John Nordhoff]

 One cheap n easy way is to use a plug wire that is spaced 3/16 inch away from the mags metal and hand turn the mag so the impulse snaps and you should get a bright visible blue spark as opposed to a thin wimpy hard to see yellow spark. If the impulse spring is weak the spark will be weaker, it should make a loud sharp SNAP not a faint dull clunk when it snaps. Of course, this is ONLY the static impulse spark were talkin about here which isnt the same as when the impulse becomes disabled (around 250 RPM) and then the faster the RPM the more spark energy thats developed. Typical problems are burned points,,,,,,weak magnetic strength rotors,,,,,,,,,,weak or bad condensor,,,,,,,,,,weak spring (affects start spark only).............   John T in Indiana 
 > Date: Mon, 11 Jun 2012 11:29:39 -0500
> From: tylerpolkaman at gmail.com
> To: antique-johndeere at lists.antique-tractor.com; at at lists.antique-tractor.com
> Subject: [AJD] Magneto?
> 
> Hi everybody,
> On any 2 cylinder John Deere that is a hand start, what is the best
> way to test the magnetic field in the magneto?
> If it makes more sense, I'm just wondering how to test the mag to find
> out how much spark it has.
> Any help will be most appreciated!
> Thank you,
> Tyler
> 
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