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I have a john Deere St yellow deck with the Kohler engine my magnets in the flywheel busted can I take them out and still run it till I can afford to buy the parts

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Although Jay Plesset is wrong about the alternator powering the ignition system you won't be able to run it without the magnets and the alternator due fact the electric PTO will quickly drain your battery as you no longer will providing the charging of the system.

Now there is a pair of magnets that operates the magneto but they cast into the flywheel and I have never had them to come loose or break so I am assuming that you are referring to the ones inside the flywheel.

Posted on Apr 21, 2015

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It's unlikely that it will run without the magnets. They power the spark.

Posted on Apr 21, 2015

  • Eugene Rounds Apr 21, 2015

    It is a magneto system so the alternator does NOT power the Spark. The magmets that power the magneto I have never seen them to break loose as they are cast into the flywheel itself.



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You have a defective ignation coil. When the engine gets hot, the winding in the coil opens and the engine stops. After it cools down, it will again make contact and start again. If you don't know where the coil is, follow the wire from the spark plug. The spark plug wire is attached to the coil from the factory. It's easy to replace with a 1/4 inch socket set. Set the magnet to coil gap with a standard business card.

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SOURCE: John Deere L120. Engine dies when PTO switch is pulled.

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