Variator (CVT) for Engines 50cc GY6 4-stroke (type 1)

This stock variator is suitable for Chinese scooters.

Mounting it requires about 15 minutes.

This variator is suitable for scooters 50cc with an engine of type GY6.

Dimensions:
- Bush length: 36mm,
- Bush inner diameter: 14mm,
- Bush outer diameter: 20mm,
- Ramp plate center hole diameter: 14.4mm (measured at the bottom of the grooves),
- Drive pulley diameter: 82.5mm

It can be mounted on the following scooters:
- Viper R1 with an engine model 139QMB,
- Wonjan with an engine model 139Q