Blue Line Variator Assembly; GY6

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This Blue Line OEM replacement variator fits Genuine Buddy 125/150/170i, Blur 150, Hooligan 170i and many GY6 125-150 cc Chinese scooter engines. The assembly includes both pulley halves, ramp plate, drive boss and a set of six roller weights.
Specifications: 
Drive Face Outer Diameter: 106mm
Drive Face Inner Diameter: 24mm
Drive Face Spline Count: 12
Spline Count: 19
Ramp Plate Inner Diameter: 15mm
Drive Boss Inner Diameter: 15mm
Drive Boss Outer Diameter: 24mm
Roller Weights (set of 6, 18×14): 14g
Compatibility: 
Genuine Blur 150
Genuine Buddy 125
Genuine Buddy 150
Genuine Buddy 170i
Genuine Hooligan 170i
157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
157QMJ
161QMK
152QMI
1P61QMK
YN1P57QMJ
1P52FMI
154FMI
JJ157QMJ
1P57QMJ
BN157QMJ
BN161QMK-A
Other QMJ, QMK, and QMI models
Don’t see your engine listed? If the engine code includes “QM” or “FM” along with a “5” or “6”, this product is compatible with your vehicle.About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter.  Since 2018, Blue Line has provided quality parts at great prices.