What is the 2001 yz 426 bk mod

I just bought a yz 426 and I currently and doing all of the maintenance and I currently have the carb off and am just wondering what it was

Its on here somewhere...worth the effort, believe me!

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