Jetting info needed

3 replies to this topic
  • racerx121

Posted September 15, 2008 - 05:11 PM


I need the jetting for a 2005 yz450f. Mainly the pilot. I am getting popping or back firing when I am off the throttle

  • clutchless

Posted September 15, 2008 - 05:50 PM


where is your fuel screw set at?

did you adjust it yet?

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  • racerx121

Posted September 22, 2008 - 05:44 PM


I tried both 1-1/2 and 2-1/2 out

  • grayracer513

Posted September 22, 2008 - 06:10 PM


Did you look in the sticky?

Also in Common Threads, you would have found this:


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