08' yz450 jetting issue


3 replies to this topic
  • Steenos428

Posted November 01, 2012 - 10:02 PM

#1

So I have been fiddling all day and I'm fed up my 08' yz450 hesitates and bogs in the mid range like crazy I've have been through about 15 jetting combos and have had the best results so far with the jd blue jet and a 165 main and a 48 piolit how ever the mid range hesitation and bog still remains, my bike has a dr.d full stainless exhaust and a boysen quick shot 2.I live in Reno nv where the elevation is around 4500-5200 Please help any comments are greatly appericated.Also this is my first posting here but I have strolled this forum quite a few times and it's great, thanks, justin

Edited by Steenos428, November 01, 2012 - 10:06 PM.


  • grayracer513

Posted November 02, 2012 - 06:35 AM

#2

I'd say ditch the JD needle and try this:

http://www.thumperta...ost__p__9348282

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Steenos428

Posted November 02, 2012 - 10:14 AM

#3

I'd say ditch the JD needle and try this:

http://www.thumperta...ost__p__9348282

Which set up the first one ? Thanks for the fast reply !

  • grayracer513

Posted November 02, 2012 - 03:07 PM

#4

Post #26 by NewMexican. The one the link takes you directly to. Note his altitude.





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