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50cc apache quad spark problems

Have changed over, spark plug,coil,rectifier,relays,pulled apart every wire and put back with no corrosion,but quad has a mind of its own with the spark,1 minute it may run for a while the next no spark,im very puzzled.HELP!!!!

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Could be the CDI. Check the stator and pickup coil specs with a multimeter first.

Posted on Nov 17, 2013

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Posted on Jan 02, 2017

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My 2010 Polaris Ranger 400 has no power.


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They are simple things, spark, and fuel, and they run. I think you are having the same problem as I did.. someone before me fitted a kill switch and one of the wires came off the earth there, and it wouldnt start. Mine was under my seat, but it's a chinese quad, so just folllow the wires to the battery and from the battery until it meets the chassis.

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