Dr. Pulley QMB139 Variator Kit (169-266)

Dr. Pulley Performance Variator Assembly for 50cc 4-stroke QMB139 engines.

Dr. Pulley Variator Kit Specifications

• Includes Instructions
• Includes Rear Plate Sliders
• Does Not Include Roller or Slider Weights
• Drive Face Outer Diameter (A): 89mm
• Boss Inner Diameter (C): 14mm
• Boss Outer Diameter (B): 20mm
• Ramp Plate Inner Diameter (D): 14mm
• Fan Inner Diameter Peak to Peak (H): 13mm
• Fan Outer Diameter Valley to Valley (G): 14mm