I got my first RMK this year as well. From what I have read, these are pretty good up until 2500 miles. I don't plan on carrying one but will probably change it every couple years....
I run stock and don't bring one. I'll probably replace when I rebuild, depending how the timing works out. If I had more power, I'd consider bringing a spare. Polaris manual only mentioned bringing the other belt as a spare. The QD belt cannot be stored crimped, either.
I carry one, but im boosted and jump a lot, the 2 things that break them. They weigh like 2 ounces though so zipping one up under the hood is really hard to argue with. Like mentioned above, change one out before your in the field so you know your way around it. Also if you get a new one, put it on and keep the slightly worn used one. make your life a little easier if you do ever have to do a field swap.
I carried a spare on my 14 pro, never used it, never been riding with anyone that broke one.
Never bought a spare when I switched to the Axys.
I also suggest that if your going to buy a spare, install the new one and carry the used one as a spare. It is harder installing a new one vs a used one. Neither of them require any special tools. A zip tie is all you need to install the belt. The idea is to hold the belt in the shape it would be once installed, this makes its much easier to install the belt.
I have the assault so no belt but I have ben toying with the idea of a belt drive and I couldn't fathom not having a spear belt for it! they don't go bad.. they weigh ounces... easy to carry and guarantied at some point you will use it. its like carrying a tss delete and an extra relay... do you half to well no but the first ride you loose out on because you didn't, you will wish you did! a sled{or part} can be replaced but if you loose a ride its gone forever and the cash it took to get their. and don't be THAT GUY that always says aaaa hes got an extra ill barrow his if mine breaks he carries his for peace of mind and you should too. just my 2c
I run The TKI system. Always junk the stock QD system when new.
Even though this system makes belt changing a cake walk in the field-
I have never popped a belt on my boosted Axys or my N/A pro,but there is no excuse for not having a spare- but then again, I am that guy that carries all the tools for our group...
TKI belts are 1/2 the cost of the Polaris OEM so- no excuses there!
No- you cannot run a TKI belt on a Polaris QD system either.
I carry both belts and i too am the tool guy in our group. Funny thing is, they all laugh about all the stuff I bring but turn right to me when things break or go bad.
I’m prepared to live on the mountain if need be.
For all the money we spend on our sleds and the traveling a lot of us do I consider the couple hundred bucks on spare whatever a ride/trip saver.