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View Full Version : 250ex jetting


bdrue
10-02-2004, 02:00 PM
i have an 04 250ex with a FMF megamax 2 silencer and k and n air filter. i was wondering what size jets would be best for my quad
bdrue
10-05-2004, 09:13 AM
nobody knows?
cals400ex
10-05-2004, 09:43 AM
what is the stock mainjet?
bdrue
10-05-2004, 11:21 AM
i have no idea but ill find out