04 yz450f intake and exhaust clearances help!

have a 04 yz450fs bought it did a cylinder leak down test shot 100 psi in to the head and found i had a leak and it was coming straight out my exhaust did the compression test had 60 psi after 5 kicks so i took it apart and discovered that 1 of the exhaust valves was hung open and the other did not have a shim! intake is fine have .010 from bottom of lobe to bucket now with no shims in exhaust i have .024 tho from bottom of lobe to the bucket! this is my first shim and bucket setup ive ever done im looking for the proper clerences for the in take and exhaust? if anyone can help be greatly appreciated

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