2009 yz450f exhaust conversion to 2006 stock exhaust proper jetting?

2 replies to this topic
  • CR125Rpwns

Posted September 06, 2012 - 05:24 PM


I have a 2009 yz450f and have a 2006 complete stock exhaust for it and was wondering what the proper jetting would be for this conversion?

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  • FinchFan194

Posted September 08, 2012 - 08:33 AM


You should be good to go, you could always call JDJetting and get one of their kits. It helped my bike a lot.

  • CR125Rpwns

Posted September 10, 2012 - 02:04 AM


Alright I will look into that thanks

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