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:

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