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

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now