Go here;
http://www.914world.com/bbs2/index.php?act=...=ST&f=2&t=40075Go to the carb side picture .. the top flat blade brass screw is idle jets. straight down(bottom of float boal is the 10mm hex of the main jet holder . take these out main jet on the end.
3 on each side of carb. The other 10mm drains the float bowl.
Carefull when tightening , sometimes the jet holder breaks off at the holes.
Carefull when removing it drains the Gas out of the float bowl.