Restore reliable spark timing on your GY6 or 139QMB-based scooter with this Blue Line DC CDI unit. Designed as a direct OEM-equivalent replacement for Chinese-manufactured scooters running a DC ignition system, this CDI features a 2/4-pin split connector configuration that plugs directly into the factory wiring harness — no modifications required.
Features
DC (direct current) capacitive discharge ignition
2-connector harness with 2/4-pin split — direct plug-in fit
OEM-equivalent replacement for GY6 and 139QMB DC ignition systems
Epoxy-potted black housing for vibration and moisture resistance
Fits 50cc, 80cc, 125cc, 150cc, and 169cc GY6-family engines
Specifications
SKU: 0900-1103
Type: DC CDI (Capacitive Discharge Ignition)
Connectors: 2-pin + 4-pin (2/4 split)
Length: 93mm
Width: 55mm
Height (excl. plug): 24mm
Current Type: DC — Direct Current
Engine Compatibility
139QMB-based 50cc / 80cc engines:
Engine Codes
139QMA
139QMB
1P39QMB
1P39QMA-2
YN139QMB
JJ1P39QMB
139FMA-2
BD1P39QMB
BN139QMB
147QMD
Other QMA
Other QMB
157QMJ-based 125cc / 150cc / 169cc engines:
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 CDI is likely compatible with your vehicle.
California Prop 65 Warning: www.p65warnings.ca.gov
