Hi All I have a 2009 xp 850 with the slipping problem. Startrd slipping a bit and progressed to no movement at all. So Far it has been in the polaris shop for 8 weeksThey have removed and replaced both clutches to no solution I suggested they get and install the sld kit and they did. still not working. They have torn the quad apart and put back together at least 6 times trying. does anyone have any other suggestions for the cause of this?