HEADS UP!!!

Site upgrade in progress... Core site functions are working, but some non-critical features/functions will be temporarily unavailable while we work to restore them over the next couple of weeks.

Please post any bugs you encounter, but before you do, check to see if it's already listed.

Thanks for your patience while we work to improve the community.

Sign in to follow this  
Followers 0
70mustang

426 jetting help

3 posts in this topic

I have an 01 wr426 with a gutted factory pipe and the air box lid removed. It's fast bey much too loud. I also have a GYTR silencer insert for the pipe that I want to know what jetting would be best for this set up. I just bought the bike and I don't know what jet it has right now, so maybe someone can recomend how many jets leaner I might need to go if I put in the GYTR? Thanks in advance for your help.

Share this post


Link to post
Share on other sites

I have an 02 Wr426 with a GYT-R insert, a twin air air filter, took the insert out of the airbox but left the lid on (too much sucking noise with lid off), a cut grey wire, and a zip ty fuel screw. My jetting is stock with the fuel screw 1 3/4" out and it runs great, very fast. It runs alot better with the GYT-R insert rather than no insert and it's quieter.

Share this post


Link to post
Share on other sites

I checked and it had a 170 main, so I switched it to the 168 and put in the GYTR silencer insert. feels slower, but its hard to tell.

Share this post


Link to post
Share on other sites

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
Sign in to follow this  
Followers 0