stock jetting 2001 yz 426

what is the stock jetting on a 2001 yz 426

what if i put a t-4 system what should i change it to

Main Jet: #162

Pilot Jet: #42

Jet Needle: OBEJP, clip #4

Starter Jet: #72

Here is the shop manual. 2001 YZ 426F Manual Enjoy! :applause:

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