Mikuni FJ8-6F05 Jet Needles - 62.3 Needle - 38.1 Length to Taper engine-gaskets-seals-head-o-rings and is used in the

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

1981 Harley Davidson FXEF Fat Bob

1997-1999 Polaris 600 XC

1990-1997 KTM 250 EGS

Mikuni FJ8-6F05 Jet Needles - 62.3 Needle - 38.1 Length to Taper engine-gaskets-seals-head-o-rings and is used in the10mm 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.