View Full Version : should i use a 155 or a 160 main jet?
honda 400ex 69
07-07-2002, 12:53 PM
i have a pro circuit t-4 pipe and i am going to get a k and n air filter what size jet should i use 155 or 160 or even lower?
Pappy
07-07-2002, 01:05 PM
try both....i run a 155 and it uns like a raped ape. just keep an eye on your plug.
honda 400ex 69
07-07-2002, 01:13 PM
so with a 155 it runs strong what mods do u have
Wheelie
07-07-2002, 08:06 PM
Try the 155.
Look at my sig for mods and jetting. I ride at 0-2000ft. and the jetting works perfect.
Powered by vBulletin® Version 4.2.1 Copyright © 2024 vBulletin Solutions, Inc. All rights reserved.