NEED HELP: What's the stock jetting for the 400EX?

Reply Subscribe

Thread Tools

Search this Thread

Apr 27, 2000 | 10:44 PM

wcy2k400ex

Thread Starter

Pro Rider

Joined: Mar 2000

Posts: 563

Likes: 0

Anyone that knows for sure what the stock jetting for the 2000 400EX is, please reply. I need to know it. Thanks a lot in advance.

Apr 27, 2000 | 11:51 PM

Dill

Pro Rider

Joined: Jul 1999

Posts: 749

Likes: 0

I know the main is a 148...I'm curious about pilot jet size tho..

Apr 28, 2000 | 01:17 AM

NVR2L8

Range Rover

Joined: Oct 1999

Posts: 171

Likes: 0

My pilot jet was a 38, and the main was a 148. I changed the pilot to a 40...much better cold starting and idling!

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Carburetor or Fuel Pump Issue?

ltrmc02

Polaris

Aug 22, 2021 02:34 PM

Exhaust upgrade and rejetting

Bonzhonda300ex

TheATVSuperStore

Sep 17, 2015 01:21 PM

Please help!! '04 Magnum 330 Boggy

Nosniborpapa

Polaris

Sep 12, 2015 05:54 PM

New member from M.O.

Bigtwin700

Introduce Yourself

Sep 9, 2015 09:32 AM

Jet kit!!

XxS0ccerstarxX

Honda

Sep 8, 2015 12:02 AM