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

$31.93
In stock
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 2 needle clips 2 pilot jets 4 main jets (2 sizes) 1 Drill bit to modify slide Instructions for tuning with various Exhaust & Carb/Intake setups

Installation Instructions

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