FWIW, I have a 14 RMK (std) with a stock motor (fox evols) and 11 pro with a RKT drop in kit. I've been surprised with the lower operating temp of the 14 RMK so far - it's running consistently cooler with the scratchers up than the 11 pro with the scratchers down, snow has not been hard, tho, and scratchers need harder snow to be effective. The 11 pro will heat up at slow speeds, depends on the operator. I also found it runs a few degrees hotter with the kit (RKT cover), but does have higher comp. That's the key in my history with the pro - water temp can be managed most of the time, but you do have to pay attention and react. 14 RMK has an extra qt of coolant, too. Runs 122-125. Just what I've learned so far. End of tangential hijack.
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