Dyno Tune Needle & Jet Kit for BS 34
Dyno Tune Needle & Jet Kit for Mikuni BS34 CV carburetors as used on North American model 1980-84 XS650's.Kit smoothes out the powerband and removes the midrange hesitation and leanness resulting in a smooth acceleration from idle thru redline.Kit Contains: 2 slide needles - #7F6, 2 needle clips, 2 pilot jets - #45, 4 main jets (2 sizes - #135 and #145), One 3.0mm Drill bit to modify slide Instructions for tuning with various Exhaust & Carb/Intake setups.
Is Universal Part: No
OEM Number(s): N/A
- 1980 Yamaha XS650 XS650G Special II
- 1981 Yamaha XS650 XS650H Special II
- 1982 Yamaha XS650 XS650J
- 1983 Yamaha XS650 XS650K