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  • #1

    Spark plug recommendation

    JLO 252 in a crazy colt. Looking for spark plug recommendations.

    Manual says OEM is Champion K9. Through google ive found a list of supposed replacements. Currently using champion K9 that replaced the AC C83 that was in there when it last ran.

    I get spark at wire everyone I pull it. Spark at plug 1 out of 10 times I pull it. Once spark plug is in the engine I have no idea how many times it sparks and never have gotten it to start. Hoping a simple spark plug could be the world of difference.

    Thank you
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  • #2
    Never had 252 but had 297s I think ran k9 I ran ngk A7 and I think autolite d13
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    My new beer holder spilled some on the trails - in it's hair and down it's throat.
    Joe Camel never does that.

    Advice is free, it's the application that costs.

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    • #3
      It may be a weak coil. When you get spark with no plug, there is only the wire from the coil to give resistance. Once you hook in a plug, there could be too much resistance for the plug to spark every time. Just a thought.

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