VARIATOR PULLEY 16MM - MINARELLI 1979-yamaha-it175-esi1448308 Materials:

Materials:

made from heat treated high carbon steel and come in various shapes and sizes

CNC-machined from case hardened and core refined 655M13 nickel chromium steel

both header donuts and springs

CNC machined steering stem nut and bolt

VARIATOR PULLEY 16MM - MINARELLI 1979-yamaha-it175-esi1448308 Materials:CVT pulley with fan wheel made of aluminum with matching star pulley. Original replacement for China scooters with 2 stroke engine and 16mm Vario stump (CPI Oliver, Keeway, Generic and others). The pulley is part of the variator and responsible for the V belt moving outward when accelerating and moving back in when decelerating. For 16mm crankshaft stub Pulleys are an integral part of the CVT system on scooters and mopeds with automatic CVT