jetting issues when i add my pipe

I just bought a 2000 wr400 and was wondering if anybody would know what the jets I would need when I add a FMF powercore 4 pipe would be or any suggestions? The bike is stock right now.

Check the Jetting Database in the Performance Index...SC

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