GY6 50cc (139QMB) 4T Starter Relay
ITEM# TT-26762
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Description
Starter Relay for 139QMB/GY50 50cc 4-Stroke Scooters
This starter relay is built for Chinese 50cc scooters that use the 139QMB/GY50 engine. It helps keep the starter circuit working as it should. Like many GY6 50cc scooter parts, it is simple to swap out, so it suits anyone handling a home repair. Check that your current relay and its connector style match before ordering.
About the Starter Relay
This starter relay is sourced to OEM standards and comes with a 2-wire male connector. It is intended for 139QMB/GY50 engines. Within the starting system, it controls the flow of electrical current from the battery to the starter motor. If your scooter has trouble starting, swapping this relay may solve the problem.
When to Replace
Think about replacing the starter relay if the scooter won't start or if you hear a clicking sound when you turn the engine over. Checking this part now and then can help prevent sudden starting failures and keep your rides more consistent. Look the relay over for wear or damage, especially if you're noticing any electrical faults.
Specifications
- Part Type: Starter relay
- Application: 139QMB / GY50 50cc 4-stroke scooter engines
- Connector: 2-wire male
- Fits: CSC Nitro Sport 50 (139QMB/GY50 50cc 4-stroke engine)
Fitment
Fits:
- CSC Nitro Sport 50 (139QMB/GY50 50cc 4-stroke engine)
How to choose: Compare the connector on your existing relay. It needs to be a 2-wire male connector for a 139QMB/GY50 50cc 4-stroke engine.
Where it goes: Part #12 on the electrical components diagram for the CSC Nitro Sport 50.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Starters & Relays · Scooter Parts

































































