Mikuni FJ8-6F04 Jet Needles - 62.3 Needle - 32.0 Length to Taper tires-wheels-rims-rear-rims 1965-1971 Harley Davidson XLH900

1965-1971 Harley Davidson XLH900

2006-2009 Vespa GTS 250

Provide enhanced protection against punctures and pinch flats

2017-2018 Kawasaki KVF750 Brute Force 4x4i EPS

2011-2015 Arctic Cat Prowler XT 550

Mikuni FJ8-6F04 Jet Needles - 62.3 Needle - 32.0 Length to Taper tires-wheels-rims-rear-rims 1965-1971 Harley Davidson XLH90010mm 19. 4. 20mm 2. 515. 30mm 2. 442. 40mm 2. 436. 50mm 2. 206. 60mm 1. 939. 70mm 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.