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Jack Nunn
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Joined: 12 Sep 2012
Posts: 1
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 Posted: Wed Sep 12, 2012 3:14 pm Post subject: Mag20 hp no spark |
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Bought a walk behind mower with 20 hp koler. Been parked for 5 years. Got everything going great but no spark what do I need to check and how. Never worked on electronic egnition before
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joe csuti
Long Time User
Joined: 30 Mar 2009
Posts: 1400
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| Posted: Wed Sep 12, 2012 4:39 pm Post subject: Re: Mag20 hp no spark |
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Goto link below,service/repair manual for your eng avail as a free download,will tell you how to troubleshoot ign system in section 8 of manual.
manual
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Brian G. NY
Tractor Expert
Joined: 13 Mar 2001
Posts: 1815
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| Posted: Sun Sep 16, 2012 6:05 am Post subject: Re: Mag20 hp no spark |
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The ignition module (coil) may have gone bad; I had to replace the one in my M-18 recently.
Not cheap!!
BTW, a friend of mine bought a tractor with a bad coil. Turns out, the prior owner had hooked up the ignition switch wrong and "fried" the coil.
The small wire from the coil is strictly for "grounding out" the ignition to kill the engine. No current is EVER to be applied to this wire!!
The correct ignition switch for these tractors has one terminal that goes to ground in the off position.
Make sure you positively identify that terminal before you attach your coil wire.
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