Mikuni FJ8-6DP01 Jet Needles - 62.3 Needle - 28.9 Length to Taper control-handlebars-accessories-handlebar-pads 2014-2021 Yamaha FJR1300ES

2014-2021 Yamaha FJR1300ES

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2008 Ski-Doo Summit 600 Adrenaline

Mikuni FJ8-6DP01 Jet Needles - 62.3 Needle - 28.9 Length to Taper control-handlebars-accessories-handlebar-pads 2014-2021 Yamaha FJR1300ES10mm 2. 511. 20mm 2. 511. 30mm 2. 476. 40mm 2. 312. 50mm 1. 748. 60mm 1. 075. 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.