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View Full Version : jetting 400ex



400supertrap
03-22-2005, 05:45 PM
i got a 99 400 and i cant get it to run right. I keep fouling plugs and now it bearly runs. I got it alomost back to stock, but the k&n filter is still on. What jets should i run. If anyone is intrested in the quad call 518 573 9273. Its going to be for sale.