The Jet Needle controls the fuel mixture in the mid-range 1/4-3/4 throttle positionThe taper of the needle determines the amount of the fuelFor example: the thinner the diameter of the needle, the more fuel will be drawnThe thicker the diameter of the needle, the less fuel can be drawn10mm - 2.538
JET NEEDLE
Brand: Mikuni, Model: TRTC13311