Here is the bang for your buck. Our high quality variator for 50cc GY6 QMB139 engines is from NCY. All in all, this is a very nice quality pulley by NCY for the GY6 50 engine.
Let Monster Scooter Parts be your source for NCY scooter parts and accessories.
We do not have any known compatibility for the Honda Metropolitan NCW50. Please check the engine plate for the engine family, this Variator is listed for the GY6 QMB139 Engine. If you do purchase the variator and it isn't compatible with your model, we do have a 60-day return policy for items in new/unused/undamaged condition.