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Honda trx300ex weird spark

1413 Views 6 Replies 3 Participants Last post by  retro
When I turn it over I get spark once when I press the button and when I let it off. Sometimes it will spark consistently when I pull the plug and hold it against the head. I’ve replaced the: stator, pulse generator, spark plug, coil, and even the CDI. I’m at a loss here. All the grounds have low resistance. All wires are exposed and none are bad. I have ran a jumper from the battery to the power wire to bypass all switches that could fail.
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My best guess saying all the new parts you put on are good.(Which isnt always the case). Would be a sheered woodruff key in the crank. It will let the flywheel spin and not spark consistant like it should. Aside from that one of the new parts you got is bad. My .02

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