Mikuni FJ8-7DH03 Jet Needles - 72.5 Needle - 28.1 Length to Taper stands 2007 Harley Davidson XL1200N Sportster

2007 Harley Davidson XL1200N Sportster 1200 Nightster

2024-2025 Can-Am Commander Max 700 DPS

1988-1990 Kawasaki KD80

2009-2013 Kawasaki VN1700 Vulcan 1700 Voyager ABS

Mikuni FJ8-7DH03 Jet Needles - 72.5 Needle - 28.1 Length to Taper stands 2007 Harley Davidson XL1200N Sportster10mm 2. 98 20mm 2. 98 30mm 2. 96 40mm 2. 80 50mm 2. 47 60mm 2. 11 70mm 1. 76 40 44 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.