GY6 50cc (139QMB) Left Brake Switch (2 Wire, 11" Leads)
ITEM# TT-23994
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Description
Left Brake Switch for CSC Scooters and 50cc Bikes
This left brake switch is made to suit selected CSC scooters and a range of 50cc 139QMB motorcycles. It works as a drop-in substitute for the factory unit on models such as the CSC go, Bella Classic, Nitro Sport, and Pug. Keeping this part in good condition helps your braking system respond properly. It belongs to the group of GY6 50cc scooter parts that you can swap out without much hassle when required.
Build and Fit
The switch comes with an 11-inch lead and a 2-wire connection, so hooking it up is simple. Its mounting barrel measures 12mm across, which gives it a secure seat. It is built to OEM specifications, so it suits the original scooter or bike setup.
Signs It Needs Replacing
A faulty brake switch can affect both safety and how well your brakes perform. Problems with your brake light, or a switch that doesn't activate reliably, are good reasons to think about a new one. Checking the switch regularly can help keep your scooter running as it should.
Specifications
- Connection: 2-wire
- Position: Left brake
- Mounting Barrel Diameter: 12mm
- Fits: CSC go, go MAX, Bella Classic 50, Nitro Sport 50, Pug 50, and 139QMB-based 50cc and 80cc GY6 engines
Fitment
Fits:
- CSC go
- CSC go MAX
- CSC Bella Classic 50
- CSC Nitro Sport 50
- CSC Pug 50
- 139QMB-based 50cc and 80cc engines (engine codes 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD, other QMA and QMB models)
How to choose: Compare the engine code stamped on your engine with the list above. Any code containing "QM" or "FM" is listed as compatible.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Brake Parts · Scooter Switches & Controls · Scooter Parts





























































