Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor
REPLACED PLUGS, POINTS AND CONDENSER, WONT TURN OVER, COULD IT BE COIL? HOW CAN I TEST IT
Ok, since you have the points, I assume you have the B43g Onan
engine. Was it running before the new parts were installed?
Check your point gap and make sure it is .016, plugs ahould be gapped at .025 Make sure your plug wires are good too. Should be somewhere between 0 and 10,000 ohms per foot, when measured with an ohmmeter. Once everything is rechecked for gap distance, make sure there is no spark by pulling plug out, leaving wire on and ground the outside of plug to the chassis of the tractor.
Crank over and look for the spark. Coils are about $100, so you want to eliminate everything else first.
Diagnosing a points ignition for no spark is really simple. Do you have 12V at the coil? Do you get a spark when you connect and disconnect the negative terminal of the coil to ground? If not you have a bad coil.
Posted on May 19, 2009
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Posted on Jan 02, 2017
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