has any one out there ever tryed runing no air box lid and jeting to compensate for incresed air volume I did and i'm running 160 170 mains and 3 1/2 out on fuel screws still not done thou think i need to go to bigger piolts and maybe shim neddles i'm running an hmf pipe what do you think about no lid so far no troubles got 1st place in utility class in my 1st hare scramble and placed 29th out of 69 quads total don't do alot of deep mud runing [img]i/expressions/face-icon-small-happy.gif[/img]