2 in my group ride 2018 mountain cats and have not had any problems with clutches in close to 5000 miles. I myself agree that the yamaha clutches would make the sled that much better. I myself hate the built on shaft secondary. But JMO
I haven't had issues yet with my cat either, but the yamaha clutches can hold crazy power and survive. Yamaha must have some faith in the engine to put their name on it also.