13 mm Crank/ 17 Tooth High Quality, High Performance variator from Dr. Pulley. This is a great upgrade for your bone stock or high performance engine.
Variator kit includes, Back Plate with spacers, Drive Face, Pulley, Pulley Spacers, and Drive Boss.
Fits Yamaha/Minarelli 50 cc 2T engined scooters.
Pulley O.D. 94mm I.D. 18mm
Crank Diameter. 13mm
Ramp Plate. 17 tooth 13mm