Mikuni FJ8-6DH04 Jet Needles - 62.3 Needle - 25.5 Length to Taper body-sprocket-guards 2014-2024 Husqvarna FC450

2014-2024 Husqvarna FC450

High-quality steel tubing with 3-1/2in

2019-2020 Polaris 600 INDY

2017 Can-Am Maverick 1000R DPS

Mikuni FJ8-6DH04 Jet Needles - 62.3 Needle - 25.5 Length to Taper body-sprocket-guards 2014-2024 Husqvarna FC45010mm 2. 520. 20mm 2. 520. 30mm 2. 440. 40mm 2. 258. 50mm 1. 915. 60mm 1. 575. 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.