Hi jumperdog,
Far it be from me to correct Dale, but he is out of town for 10 days and I am sure he meant 180 F, IMHO, especially since we are trying to diagnose a coolant loss problem in your Berg. I usually see 175-185 F at the radiator inlet (measured at the top of the radiator tank) on my 501 and 550 Bergs in the California Desert at this time of the year. I purchased the thermal strips to monitor that and also to determine the oil temperature and ignition stator temperature (on the 501) during riding under various conditions.
Let me know if you want the strips!
Regards,
Joe