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HI. I'm new here, and I got a wierd question.
I have a 1997 600 ZRT Powder Extreme. I got it really cheap because it had no spark. I got the stator rewound and it sparks fine now. The problem is that it backfires at higher RPM(4000+) with the choke off, but runs fine with the choke on half or full. It also smokes out of the PTO cylinder after I turn it off and take the plug out, and the plug is very wet. What could be the problem?
 

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I am Spartacus
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The PTO cylinder is misfiring or not firing all the time. Does it have a separate coil for each cylinder?
 
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