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    philtrinh72's Avatar
    philtrinh72 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 13, 2012, 06:00 PM
    Riding lawn mower magneto dead
    I have a craftsman riding lawnmower model 917.273646. It had no spark and I replaced the Magneto and it ran like a charm. I was cutting my lawn and shut it down to dump the grass. It won't start since there was no spark. I bought another Magneto and it starts. After finish cutting my lawn, I shut it down and then can't start it. No spark again. What may have killed the magneto again?

    Phi
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #2

    Jun 28, 2012, 12:30 PM
    Hi,
    Replace the key switch and the armature. The switch has an internal short feeding battery voltage to the armature whice blows it.
    Peace,
    Clarke
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