Big Bore Kit and Cam mod

Hello everyone,

I am a new member and need your help. I have a 2001 YZ426F and I want to install a big bore kit on it (444cc). Has anyone install this kit? Does it make a huge inmprovment? Should I do it or not?

Also, is there a Cam Mod for my bike?

Thanks :thumbsup:

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