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QMB139 50cc Performance Transmission Kit

QMB139 50cc Performance Transmission Kit
Our Price: $149.99
In stock
Part Number: BT169-187
Manufacturer: Hoca
Manufacturer Part No: 169-197
After-Market Performance Transmission Kit by Hoca for QMB139 / GY6 50cc 4-stroke engines.

Specifications

  • 1000 RPM Spring
  • Spring Inner Diameter: 49mm
  • Spring Height: 107mm
  • Roller Weight Size: 16x13mm - 9g
  • Variator Outer Diameter: 89mm
  • Clutch Drum Number of Splines: 22
  • Clutch Drum Spline Inner Diameter (peak to peak): 11.10mm
  • Sliding Clutch Plate Outer Diameter: 119mm
  • Drive Plate Number of Splines: 26
  • Drive Plate Spline Inner Diameter (peak to peak): 13mm
  • Drive Plate Outer Diameter: 113mm

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