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Outer Diameter of Stem (both): 5mm
Wolf / Bintelli: Islander
these slides deliver long service life and maintain precise variator geometry under sustained high-RPM use
Fits Vitacci Clash 200 and Spark 150 scooters
Tech Tip: If you have recently installed a Big Bore Kit and your starter sounds "sluggish
Naraku 139QMB / GY6 50cc Super Transmission Kit Options:788 Outer Diameter of Stem (both):Restore lost top speed, eliminate off the line bogging, and completely refresh your drivetrain with the Naraku Super Transmission Kit. Engineered specifically for 50cc and 49cc GY6 50 139QMB 4 stroke engines, this all in one CVT tuning package replaces your entire worn factory transmission setup. By matching a high performance variator, precision balanced clutch assembly, heavy duty clutch bell, and a calibrated drive belt, Naraku delivers seamless
