I ride a 16 SXF. Our group consisted last year of: 1 '16 yz450f, 2 '16 KTM SXF, 1 KTM XCF, 1 Husky 450fc, and a Honda '16 cr450r. The kick bikes were a hassle. All pretty accomplished riders, just a pain in tough spots and some straight up no starts in real cold weather after a long ride in the pick-up. Had to warm em up with diesel exhaust to get em going many times. The elec bikes start easy with a jump when cold. I pack a small box, never had to use except first cold start of the day. The Ktm/Husky were quite a bit stronger (everyone stock except snowshields, therm, etc.) This year we're all running PR2.
The Husky was the clear winner, somehow, same engine as the KTM, but it would pull 4th on hills we couldn't. Think he got a strong one or something. Same kit etc., just flat stronger. Couple 501s runnin around we rode with a few times. They couldn't keep up in most places/snow conditions. The 450 XCF was a bit behind the sxf on power too. All bikes on '16 ST Timbersleds. I wanted to go CMX this year, but ran short on cash building a house. Good luck, we should ride this winter. Some killer country over here.