Mikuni FJ8-6DH07 Jet Needles - 62.2 Needle - 28.5 Length to Taper fuel-air-carburetors-accessories Yuasa Reference: 12N9-4B-1

Yuasa Reference: 12N9-4B-1

sliders for effective friction control

1989-2019 Yamaha YZ125

2017-2018 Polaris Sportsman 570 EPS

1997 Kawasaki ZX1100 GPZ

Mikuni FJ8-6DH07 Jet Needles - 62.2 Needle - 28.5 Length to Taper fuel-air-carburetors-accessories Yuasa Reference: 12N9-4B-110mm 2. 516. 20mm 2. 516. 30mm 2. 505. 40mm 2. 316. 50mm 2. 009. 60mm 1. 688. 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.