View Full Version : 400ex Jetting
MX174
11-21-2005, 06:49 PM
My 400 has a je 440 kit, port and polish, full yoshi pipe, and a stage 3 cam. It is popping and it is cutting out when i cram it wide open before a jump. I think im running around a 160 main and im not sure on the pilot right now. What do i need to go to?
Chino886
11-21-2005, 07:04 PM
Originally posted by MX174
My 400 has a je 440 kit, port and polish, full yoshi pipe, and a stage 3 cam. It is popping and it is cutting out when i cram it wide open before a jump. I think im running around a 160 main and im not sure on the pilot right now. What do i need to go to?
sounds like you are too lean, do a plug check
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