Mikuni FJ8-6F05 Jet Needles - 62.3 Needle - 38.1 Length to Taper engine-gaskets-seals-head-o-rings 1981 Harley Davidson FXEF Fat

1981 Harley Davidson FXEF Fat Bob

5MM adhesive backed foam pad to stick to underside of metal roofs

Quality 12-point heat treated 8740 chrome moly steel bolts with black oxide finish

and is used in the chin bar for its superior damage resistance

Mikuni FJ8-6F05 Jet Needles - 62.3 Needle - 38.1 Length to Taper engine-gaskets-seals-head-o-rings 1981 Harley Davidson FXEF Fat10mm 19. 0. 20mm 2. 515. 30mm 2. 456. 40mm 2. 454. 50mm 2. 364. 60mm 2. 098. 70mm 1. 840. 30 38 Spigot Mount. The Jet Needle controls the fuel mixture in the mid range 1 4 3 4 throttle position. The taper of the needle determines the amount of the fuel. For example: the thinner the diameter of the needle, the more fuel will be drawn. The thicker the diameter of the needle, the less fuel can be drawn.