WR426 jetting


3 replies to this topic
  • trueblue426

Posted December 03, 2006 - 05:11 PM

#1

im sure some of you have answered this question before but bare with me.. i just advanced the timing on my 02 WR and i cant get a straight answer from the yamaha dealer:excuseme: on what jetting i should go to i mostly ride 1500 to 2000 feet elevation any help would be greatly appreciated :worthy: thankt

  • jonova

Posted December 04, 2006 - 08:16 AM

#2

trueblue426 - I ran a 45 pilot with a 168 or 170 main and 1.5turns out on the airscrew.

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  • byggd

Posted December 04, 2006 - 11:59 AM

#3

Check out the jetting data base. Lots of good advise for the 426
http://www.thumperta...ad.php?t=411240

  • trueblue426

Posted December 04, 2006 - 04:52 PM

#4

thanks guys ill give it a look....itchin to hit the trails again




 
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