Restore smooth acceleration, eliminate low-end hesitation, and maximize your CVT�s top-end belt transition with the Universal Parts 50cc Minarelli Stock Variator Assembly. An exact OEM-spec replacement for air-cooled and liquid-cooled 49cc/50cc 2-stroke Minarelli-clone engines, this complete kit repairs a grooved or worn front pulley face and includes pre-calibrated 5-gram roller weights to re-establish optimal CVT shift points for stock and mildly tuned commuter setups.
Fits vehicles using the 1PE40QMB / 41QMB 2-stroke Minarelli-clone engine with a 17-spline crankshaft:
Important � Spline Check Required: Minarelli-style engines were produced with two crankshaft variations: 15-spline and 17-spline. Count the physical teeth on your crankshaft before ordering. If you need the 15-spline version, see related items.
California Prop 65 Warning: www.P65Warnings.ca.gov
