Product Details
Description
Blue Line Stator (8 Coil, 5 Wire); 139QMB GY6 50cc – 150cc
Key Details
- 8 Coil, 5 Wire, Org PFS SKUs 151-187, 164-102
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, 150cc, GY6
- Engine Code: 139QMB
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.75 lbs |
|---|---|
| Dimensions | 4 × 4.5 × 2.5 in |
| Condition | New |
|---|
Fix those weak lights on your 125/150 GY6 bike with Blue Line's 8-coil, 5-wire stator. See the compatibility table below to ensure this product fits your ride.
NOTE: This does not include the flywheel. For the version with the flywheel, please see part 0900-1077. Before ordering, verify the wiring required to ensure this product works with your ride.
Original Parts For Scooters SKU 151-187, 164-102
- Bolt Hole Spacing: 41mm [1.61"]
- Center Hole Diameter: 29mm [1.14"]
- Overall Measurement: 88mm [3.46"]
- AC Type, 8 Coil Magneto Stator Includes Pick-Up Trigger
- 5 wires
- Plug Style: 3-pin, female, and 2 single plugs
- Includes Pick-Up Coil
- AC 1/2 Wave
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" this part 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.





