Mikuni FJ8-6N01 Jet Needles - 62.3 Needle - 37.0 Length to Taper engine-cylinder-heads not intended for use on

not intended for use on emission controlled street or highway vehicles

2019 Honda CB500F

2011-2013 Polaris Sportsman Forest 500

Kevlar(R) shell

Mikuni FJ8-6N01 Jet Needles - 62.3 Needle - 37.0 Length to Taper engine-cylinder-heads not intended for use on10mm 2. 514. 20mm 2. 514. 30mm 2. 514. 40mm 2. 278. 50mm 1. 672. 60mm 1. 058. 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.