WR426 jetting

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

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

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

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