On my first 130 mile ride I used 9.1 gallons which equates to about 14 mpg, this was with premix in the tank and breaking snow all day. I also used 14 oz. of oil which should get me 275 miles per quart. Yesterday on my 100 mile ride I used 7.1 gallons which is also about 14mpg, I was not easy on her yesterday many full throttle runs. 230 miles so far and absolutly love this sled , extremely fast and hard pulling, I can't wait to get up into Quebec where I can really open her up. Good luck to everyone and their new sleds!!
Kris in NH