GY6 50cc (139QMB) Scooter Voltage Regulator / Rectifier
ITEM# TT-24626
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Description
Voltage Regulator for 139QMB 50cc Scooters
This full wave voltage regulator/rectifier is built for 139QMB 50cc scooters. It can be used to replace a unit that is failing and may be causing battery drain or overcharging. It is listed among our GY6 50cc scooter parts and helps keep your scooter running as it should. The direct plug-in design attaches to the existing female whip connector, so no wiring changes are needed.
Function and Use
The regulator/rectifier manages the charging system of your scooter. It takes the AC voltage produced by the stator and converts it to the DC voltage the battery needs. If a regulator stops working properly, you may notice poor charging or a total loss of power. Swapping out a faulty unit can bring back normal electrical performance.
Installation Notes
This unit is a straightforward substitute for the original part. It plugs directly into the existing female whip connector, which keeps installation simple. Before you buy, confirm that your scooter has a full wave electrical system, since half wave systems need a different regulator.
Specifications
- Type: Full wave regulator/rectifier
- Connector: Female whip
- Application: 139QMB 50cc 4-stroke scooters
- Fits: 139QMB (GY50) 50cc 4-stroke scooters with full wave charging system and female whip connector
Compatibility
Fits:
- Chicago Scooter Company go (139QMB 50cc 4-stroke)
- Most 139QMB-powered 50cc Chinese scooters (full wave stator, female whip connector)
Browse related parts: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Stators & Regulators · Scooter Parts





























































