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View Full Version : Stock 400ex jetting ??


liljhall09
07-17-2008, 03:33 PM
need to know the stock jetting for a 2004 400ex ?? main , pilot , and fuel screw
atvmaster0927
07-17-2008, 04:56 PM
it's...
38 pilot.
148 main.
i think but i'm not sure...2 1/2 turns
liljhall09
07-17-2008, 09:06 PM
alrighty thanks