Complete rear drive assembly for all GY6 125/150cc based transmissions found on many Chinese-produced scooters. Includes Clutch, Bell / Drum, and Rear Pulley Assembly. Shipped assembled with bearings and seals. A true drop-in replacement part.

Original Parts For Scooters SKU 164-45

Specifications:

• Inner Diameter (bell): 125mm  
• Outer Diameter (bell): 137mm  
• Number of Splines: 19  
• Splines Inner Diameter (peak to peak): 13.6mm 
• Outer Diameter (pulley): 142mm (5.6 inches)

Compatibility:

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM", 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.