Mikuni FJ8-5DP07 Jet Needles - 57.6 Needle - 26.4 Length to Taper brake-brake-repair-kits 2020-2021 Harley Davidson FLHRXS Road

2020-2021 Harley Davidson FLHRXS Road King Special

2006-2007 Polaris Predator 500

1994-1995 Honda XR100R

2017-2023 Polaris Sportsman 450 HO EPS

Mikuni FJ8-5DP07 Jet Needles - 57.6 Needle - 26.4 Length to Taper brake-brake-repair-kits 2020-2021 Harley Davidson FLHRXS Road10mm 2. 512. 20mm 2. 512. 30mm 2. 440. 40mm 2. 259. 50mm 1. 580. 26 32 Spigot Mount. 28 34 Flange Mount. 28 Flatside. 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.