At the start of the summer I owned a 2001 Yamaha Sx-R 700, put about 900 miles on it, one of the best sleds I have ever owned. I currently own a 2004 Ski-doo Rev. 800 H.o., and I just turned 18 on thursday. I think I got you beat. The formula z is a awesome sled though, my buddies is running a '98 f...