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wr stator and flywheel in 02 yz426

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I recently installed a wr stator and flywheel in my 02 yz426(got it already ground wire modified from steahly).The bike was running good prior,now is running rich on top,black sooty plug etc.,went down one size on main jet,now its running lean and crappy.I also have a wolf cdi unit in it and was wondering if anyone out there knew if the yz's cdi was truly compatable with wr stator and flywheel so I can either put stock cdi back in,or? I just want to rule out the ignition if that may be the case or is it possible that the added weight would change jetting requirements.Help!!Thanks!

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