My first problem with my Teryx was the plastic roof. At the time Kawasaki would not warranty the roof but has since issued a recall, however have already replaced the plastic roof with an aluminum one which is nice. Also had problems with the heat; removed the 1/2 windshield and it helped some but not enough. Now we need to tackle the noise problem and also more on the heat situation. In addition to all of this need to make some changes on the accelerator as unable to hold a steady speed when climbing out of some of our rocky canyons; pretty jerky. And last noticed that the steering wheel is cracked but the dealer is going to replace, hope that it is under warranty? My dealer has been great and more than willing to make things correct (Fredericksburg, Texas). Hope to have it back soon and prowling around the hills once again. Previously owned two Mules but the Teryx out preforms the Mules hands down.