High quality replacement High-friction surface For 125cc GY6 QMB139 engines DIY and save money The reinforced performance clutch bell for 125cc GY6 QMB139 scooter engines is a high quality item from NCY This excellent replacement scooter part has provisions that allow dust to escape and air to cool the clutch, plus a high-friction surface for more bite Description The reinforced performance clutch bell for 125cc GY6 QMB139 scooter engines is a high quality item from NCY. This excellent replacement scooter part has provisions that allow dust to escape and air to cool the clutch, plus a high-friction surface for more bite. This bell is especially good when mounted on a Yamaha Vino 125 or Zuma 125 scooters. Let Monster Scooter Parts be your source for NCY scooter parts and accessories.