Help! 800s loosing coolant

I have a 2011 rzr800 s I just recently bought I took it riding and everything was fine until I noticed it was around 230 degrees long story short in loosing water but no leaks from weep hole or any lines and no steam from exhaust or water in oil I let it idle for 30+ minutes and no leaks or anything but when I ride its looses water after a couple hours of riding. Any suggestions or common probs with this? Thanks in advance