well i have one of these was given to me,ive been ridin in the snow,it is beat to hell,has no airbox or filter,dont even know if theres any oil in it lol,but ive beat the living sh*t out of it 4 2 days now i mean any blaster out there would be in catastrophy,it is a badass little quad.im talk 5 minute redline burnouts,the valves arent even tappin or anything.pretty strong little motor