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View Full Version : 2013 jetting help



gcart2
04-19-2013, 07:15 PM
Good evening folks. I have a buddy with a 2013 400ex.

Upgrades:
HMF Slip on exhaust
Removed air lid
Sparks filter kit.

Just need to know what jets to run. We are in Florida. Any ideas? Thanks.

Mtndew99
04-19-2013, 08:23 PM
I'd get a couple jets from 155 to 170 and put a 42 pilot in

Stickman400
04-19-2013, 10:08 PM
Guessing a 162 or 165.

Zakradu398
04-21-2013, 07:48 AM
165 main and 42 pilot is what I had with a very similar set up.

JOHNDOE83
04-21-2013, 07:00 PM
Im from florida also!:D

Youll need btween 165-180 maybe higher, regardless of mods.

read this link all the way through http://www.exriders.com/vbb/showthread.php?s=&threadid=500430

Pm me if you need help or post it here.