Mikuni FJ8-6F09 Jet Needles - 62.3 Needle - 28.9 Length to Taper tires-wheels-tubes-valve-stems-inner-tubes 2008-2009 Yamaha FX10MT FX Nytro

2008-2009 Yamaha FX10MT FX Nytro MTX

Must fit in complete front axle sets (2 pairs)

2017-2018 Suzuki GSX-R1000R

1997-2004 BMW K1200RS

Mikuni FJ8-6F09 Jet Needles - 62.3 Needle - 28.9 Length to Taper tires-wheels-tubes-valve-stems-inner-tubes 2008-2009 Yamaha FX10MT FX Nytro10mm 2. 516. 20mm 2. 516. 30mm 2. 475. 40mm 2. 210. 50mm 1. 949. 60mm 1. 678. 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.