ejg3855 Posted September 29, 2005 I read on the Big Gun site that they reccomened a 145main needle and a .002 shim to compensate for the exhaust. I have already done the 3x3 airbox mod and was wondering what a suggested starting point for new jetting settings should be. Share this post Link to post Share on other sites
ckyguy68 Posted September 29, 2005 i am running a big gun full race with a 3x3 airbox, stock main, 4th needle clip, 25 pilot, and 2.5 turns on the fuel screw. it runs great, i have a 47T rear sprocket and i can pull up the front wheel in third no problem. Share this post Link to post Share on other sites