I have a 12 800 rmk and after doing some research I have found tons of info about pros running too hot but nothing about them running too cool. I am having issues with keeping my sled over 100 degrees anywhere off trail. Down the trail it's a steady 123 degrees and as soon as I go off trail I'm dropping temp fast. Over the summer I rebuilt with wiseco pistons and put a par 13.6 head on. I'm running 50+ percent avgas. Anyone have some insight on this? I've tested the thermostat with heat and it opens and closes at the same time as the one out of my 01 800. The thermostats appear to be the same except the older one has a much smaller hole in it. I'm thinking about trying the thermostat out of my 01 this weekend and see if it's any better, maybe it'll help?