i've got a 1998 kitty kat, the kids rode it for two years and in any softer deeper snow the thing would hang up on the running boards. before last winter i put on a lift kit that raised the whole sled about 3 inches and widens the front end about 3 inches. I found it to be a huge improvent, and only cost 150 bucks or so. I also did plastic ski skins and they really helped to keep the snow from sticking to the skis and and causing drag. this year i plan to gear down a little bit to help with low end power. it does fine in cold dry snow but if its wet snow or the sled sinks in it seems geared a bit high. just thought i would share my experiences and if anyone else has some good mods post them up.