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rocket_22
07-28-2009, 12:48 AM
I need some help in jeting my 2004 400ex. I just bought a full exhaust big gun system and I need some help on the jeting. The bike is all stock except for a 14 tooth sprocket and the big gun full exhaust i am puting on it. I am not that familiar with jeting. If you guys could help me i would appreciate it.

Thanks

07-28-2009, 06:48 AM
go to http://www.jetsrus.com/FAQ_jet_kit.htm and read up...also, i think they have a link that tells you how to read a plug...good luck

aDviSol2y
07-28-2009, 08:16 AM
Originally posted by rocket_22
I need some help in jeting my 2004 400ex. I just bought a full exhaust big gun system and I need some help on the jeting. The bike is all stock except for a 14 tooth sprocket and the big gun full exhaust i am puting on it. I am not that familiar with jeting. If you guys could help me i would appreciate it.

Thanks

http://biggunexhaust.com/jetting.pdf?osCAdminID=6eb4c079d3b92140a8e4ac9d6cd c3aa7