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Feature

This is a fine variator assembly for 125cc & 150cc, GY6 Scooter & go-kart engines
13.6 mm inner diameter & 107 mm outer diameter
Six 13 gram roller weights are included.
Monster Scooter Parts is the only authorized seller of Alvey, AlveyTech, and Monster Motion products.

Description

This 19 spline variator assembly for scooter & go-kart engines, specifically size 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 comes complete with a full set of six 18 mm x 14 mm 13 gram roller weights. The variator assembly is used on a wide variety of scooters and ATV brands and models that have Chinese built 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines.

Please check the dimensions listed below to see if this is the correct variator assembly for your scooter. There are many brands of Chinese built 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines, and interchangeability of parts is common.

Inner Diameter (drive face): 13.6 mm
Outer Diameter (drive face): 107 mm
Number of Splines: 19
Includes 18 mm x 14 mm 13 gram roller weights

Compatibility:
Coolster ATV-3150A
Coolster ATV-3150B
Coolster ATV-3150DX
Coolster ATV-3150DX-2