Log in

View Full Version : what is stock jetting for 400ex?



trouble661
01-23-2004, 05:08 PM
does anyone out there know what stock main and pilot jetting is for 400ex? also when i peg throttle from idle it dies. is that too rich or too lean?i just installed WB eseries slip on pipe.

ExVillin400
01-23-2004, 05:10 PM
stock main is 148

phebus
01-23-2004, 05:32 PM
Stock main 148, pilot 38