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yel400
01-16-2005, 02:48 PM
400ex stock except hmf full system exhaust and k&n filter what do yall think on jet sizes

cals400ex
01-16-2005, 02:57 PM
air box lid on or off? what elevation you at? what temperature are you riding is right now?

throwinitup
01-16-2005, 03:59 PM
hey cals whats goin on...i belive i have my bike jetted right..but what do you suggest

stock motor
big gun full race chopped down to 8"
K&N filter
lid with holes
elevation around 1000-1200 feet


it runs really good right now with a stock pilot and 158 main and the clip dropped one spot....

nosliw
01-16-2005, 04:17 PM
Originally posted by yel400
400ex stock except hmf full system exhaust and k&n filter what do yall think on jet sizes

try a 152 or 155 main
move the needle eclip to second from bottom position
put in a 42pilot jet while your in there

brian-250
01-16-2005, 04:22 PM
Originally posted by nosliw
try a 152 or 155 main
move the needle eclip to second from bottom position
put in a 42pilot jet while your in there


i can run a 152 with my stock pipe and stuff, try a 155 or a 158.

cals400ex
01-16-2005, 04:30 PM
Originally posted by throwinitup
hey cals whats goin on...i belive i have my bike jetted right..but what do you suggest

stock motor
big gun full race chopped down to 8"
K&N filter
lid with holes
elevation around 1000-1200 feet


it runs really good right now with a stock pilot and 158 main and the clip dropped one spot....


your running the exact jetting i would start with. however, i would consider a 42 pilot jet.

yel400
01-16-2005, 04:41 PM
cal, lid on air, box under 2000ft, and right now it is 50 degrees F