Dr. Pulley Performance Variator Assembly V201201 for the Yamaha Zuma 125, Yamaha Cygnus 125, Yamaha GTR 125 & Yamaha BWS 125. Fits 5ML engines found in 2009-2021 Zuma 125’s.
- Specially Designed Ramp Shape
- Extended Ramp Length
- Adjustable Boss Length
- Racing Type Ramp Plate
- Includes Slide Pieces
- Does Not Include Roller Weights
- Number of Splines: 15
- Drive Face Outer Diameter (A): 117.5mm
- Boss Inner Diameter (C): 16mm
- Boss Outer Diameter (B): 20.9mm
- Boss Length: 48mm
- Ramp Plate Inner Diameter Valley to Valley (D): 16mm
- Ramp Plate Inner Diameter Peak to Peak (E): 14.2mm