Description
Blue Line complete rear drive assembly for GY6 125/150/169cc based transmissions on Chinese-produced scooters. A true drop-in replacement — shipped fully assembled with bearings and seals. Includes the clutch bell/drum (round bare metal with 6 oval ventilation holes), centrifugal clutch shoe carrier assembly (3 clutch shoes with friction material and return springs, center bearing hub), and driven rear pulley sheaves. Compatible with all 157QMJ-based engines using QM or FM engine codes. SKU: 1100-1149 | MPN: 164-45.
Features
- Blue Line complete rear drive assembly for GY6 125/150/169cc — clutch bell, clutch shoe carrier, and rear driven pulley included
- Ships fully assembled with bearings and seals — true drop-in replacement, no additional hardware needed
- Clutch bell: round bare metal with 6 oval ventilation holes | 142mm OD | 125mm inner diameter
- Centrifugal clutch: 3 shoes with friction material and return springs | center bearing hub
- 19 splines | 14mm spline bore | 13.6mm spline inner diameter (peak to peak) | 137mm bell outer diameter
- Fits all engines with QM or FM in the engine code — see compatibility table below
Specifications
- Brand: Blue Line
- SKU: 1100-1149 | MPN: 164-45
- Bell inner diameter: 125mm
- Bell outer diameter: 137mm
- Pulley outer diameter: 142mm (5.6")
- Splines: 19
- Spline inner diameter: 13.6mm (peak to peak)
- Spline bore: 14mm
- Ships: Fully assembled with bearings and seals
Compatibility — 157QMJ-based 125cc / 150cc / 169cc engines:
| Compatible Engine Codes |
|---|
| 157QMJ |
161QMK |
152QMI |
1P61QMK |
| YN1P57QMJ |
1P52FMI |
154FMI |
JJ157QMJ |
| 1P57QMJ |
BN157QMJ |
BN161QMK-A |
Other QMJ, QMK, QMI |
Don't see your engine code? If it includes "QM" or "FM", this assembly is compatible with your vehicle.
About Blue Line: Blue Line offers OEM-equivalent replacement parts for on-road scooters — direct-fit replacements when OEM parts are unavailable or overly expensive. Quality parts at great prices since 2018.
Model Fitment
GY6 125cc/150cc/169cc | 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A and other QMJ/QMK/QMI/FM codes | Brands: Wolf, Icebear, Jonway, Tao Tao, Bintelli, ZNEN, SSR, Schwinn, BMS, Velocity, Puma, Baccio, Fly Scooter, Peace Sports and more | SKU: 1100-1149
Product Diagrams
