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Everything Dirt Bike
General Dirt Bike
Popping on decel cause???
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<blockquote data-quote="TheChasers" data-source="post: 230939" data-attributes="member: 3831"><p>2008 Yz450f. Can someone check out video linked and let me know whats the possibilities for the popping on decel?</p><p></p><p>I have 48 pilot jet and 160 main. At 2700-3000 elevation...</p><p></p><p>Rebuilt top and bottom end, about 2 hours on it. Rebuilt carb, jets are brand new.</p><p></p><p>I have tried turning down idle and turning out pilot screw to richen some(maybe Im not tunring idle low enough to get perfect setting) but eventually pilot screw gets turned out to the point that just revving bike can move screw position(I have a WorksConnection after market pilot screw).</p><p></p><p>Im seeing a few possibilities online, like maybe air leak somewhere on exhuast, ect.</p><p>I also see online that supposedly some backfire is normal, but I dont know to what extent.</p><p></p><p>Just trying to see if an experienced rider can lead me to the best probable cause...</p><p></p><p>[URL unfurl="true"]https://youtu.be/YkENvZwrYZg[/URL]</p></blockquote><p></p>
[QUOTE="TheChasers, post: 230939, member: 3831"] 2008 Yz450f. Can someone check out video linked and let me know whats the possibilities for the popping on decel? I have 48 pilot jet and 160 main. At 2700-3000 elevation... Rebuilt top and bottom end, about 2 hours on it. Rebuilt carb, jets are brand new. I have tried turning down idle and turning out pilot screw to richen some(maybe Im not tunring idle low enough to get perfect setting) but eventually pilot screw gets turned out to the point that just revving bike can move screw position(I have a WorksConnection after market pilot screw). Im seeing a few possibilities online, like maybe air leak somewhere on exhuast, ect. I also see online that supposedly some backfire is normal, but I dont know to what extent. Just trying to see if an experienced rider can lead me to the best probable cause... [URL unfurl="true"]https://youtu.be/YkENvZwrYZg[/URL] [/QUOTE]
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Everything Dirt Bike
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Popping on decel cause???
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