Dr. Pulley QMB139 Variator Kit

Dr. Pulley QMB139 Variator Kit

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Part Number: 169-266

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Product Information

img-qind.JPGDr. Pulley Performance Variator Assembly for 50cc 4-stroke QMB139 engines.

  • Specially Designed Ramp Shape
  • Extended Ramp Length
  • Adjustable Boss Length
  • Racing Type Ramp Plate

  • 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

QMB139 50cc/49cc

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