these skis have turned my 2011 800 renegade X into a F-1 sled on the trails, a little bit of suspension setup and this sled curves the trail up, no pushing, no darting im really and truly satisfied with these skis, i would think these skis would really help out my buddies on Yamaha and polaris because i know they both have huge darting problems ,there are great people to deal with , you dont like them just give them back no problem but i dont think that has ever happened