These high quality scooter part are the CVT sliders for 50cc 1PE40QMB Minarelli Yamaha Jog style scooter from NCY NCY is a well known maker of top quality replacement scooter parts and accessoriesDescription These high quality scooter part are the CVT sliders for 50cc 1PE40QMB Minarelli Yamaha Jog style scooter from NCY. NCY is a well known maker of top quality replacement scooter parts and accessories.Variator guides are the spacers between the variator pulley and the back plate. Overlooking these small but vital parts may cause excess noise and a loss in power. Degrading performance and anemic acceleration may be indicators of worn variator guides.Variator guides are an inexpensive component to replace, and it makes sense to always check them when replacing the roller or slider weights. It is also recommended that you check the wear on your clutch while you have the variator apart, a faulty clutch can end up being very expensive as it hastens the wear & tear on other parts.Let