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View Full Version : What kind of carb does a stock 400ex have/


yellow400
07-25-2002, 11:45 AM
i want to change my main jet , and in dennis kirk i saw a pack of 5 main jets called 13 series. They said that they were for keihn. would they be okay
Matt400ex_17
07-25-2002, 12:21 PM
You should just buy a power kit it would be much easier! But it is a Keihn.