Stock Main Jet for 04 YZ450F

Im just woundering what size is the stock main jet for my 04 yz450f. I bought it recently and the guy i bought it from has no idea if it is jetted and its got a pipe on it and i pulled the jet out and it is a 165.

Nice! Thank you

main=165

pilot=42

starter=72

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