Exhaust Valve for Baotian Scooter BT49QT-7

This exhaust valve is suitable for Baotian scooters 50cc with a 4-stroke engine model 139QMA.

It can be mounted on the following Baotian Scooters:
- BT49QT-7

Dimensions:
- A = 16mm,
- B = 64mm,
- Diameter: 5mm