Stock '01 426 jetting suggestions; 0-2000ft

I also posted this in the jetting forum.

I have a stock 2001 YZ426, The bike is stock. I ride between 0-2000ft. 50% + humidity. Any jetting suggestions? I believe my jetting is still stock.

Thanks :ride:

I've never had a problem with mine up to 4000'

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