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I have a 2013 fuel injected yfz 450 that is getting too much fuel. I'm not sure if ill need to replace the injector or pump. Any ideas on what might fix it?
 

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Possibly. I would definitely get a programmer or vortex ecu so u can change the fuel yourself. I have a pc5 im gonna sell if u want it its only 6 months old
 

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How do you know it's getting too much fuel?
 

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Yes like silsby said how do you know if your telling by head pipes then it could be either rich or lean and bogging again either or
 
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