Heiden Dyno Tune Needle & Jet Kit for Mikuni BS34 CV carbs

$31.93
In stock
Only 4 left
Part
48-0667

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.

Installation Instructions

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