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View Full Version : 400ex jett size with W.B slip-on


exrider360
11-22-2003, 02:47 PM
What skinda jetts would i need for my friends 400 it has a whitebros slip-on and maybe getting a header soon

what size shoudl i get.
ReconRider25
11-22-2003, 04:32 PM
whats the elevation? and how many discs are you running. also, is there any other mods?
exrider360
11-22-2003, 07:59 PM
idk the elavation but we live in upstate new york and he dont hanve any other mods and he runs all of them maybe 2 less
JOEX
11-22-2003, 09:31 PM
A 152 or 155 Kehien main jet should be a good starting point.

Joe