I have grizzly 600 2000 and Just noticed a problem. I can not put back on neutral. When I am on reverse or forward gear and want to put on neutral it seems that is going on neutral but it is not, but when I shake the ATV it clicks and it is back on neutral. When the atv is off, the neutral and all the gears are working great. The problem is when it is on. Maybe some cable is stock somewhere? Please help me.