I continually read on here about how people take their bike back to the dealer only to be burnt by some thing that I personally consider out of the norm for a dealer to jump back at a person for. If your mechanics do not find the problem on your bike and it is persisitant then that is not a sign of the bike's quality, just a bad mechanic. I for one believe in Kawasaki's as I have a Prairie 400 with 19,784 miles on it now. That sold me on Kawasakis. If you are somewhat mechanically inclined get the service manual for your bike - most of them only run around 35 dollars at your dealer and they offer a wealth of troubleshooting and mechanical breakdowns that most of your inexperienced dealers rely on anyways to service your bike.. I just had to throw my two cents worth in here. Love my 650 I bought last fall and plan on running the 400 to see how far she will go.