All engines love the cooler weather, especially motorcycles. Every bike I have owned runs better in cool temps. The 800 suzuki I owned before my Vic ran noticeably much better when it was cool (not freezing cold). I notice it on my Vic but not as much as the Suzuki.
2011 Cross Roads Sunset Red
OEM short windshield, passenger backrest, crash bars, saddle bag bars, heated grips, vinyl closeouts, tachometer, ambient temp, LED headlight, luggage rack. WD lay down licence plate.