Performance Variator Kit for QMB139 engines, Honda Ruckus and many other makes and models.

  • Roller Weight Size: 16x13mm (8g)
  • Variator Outer Diameter: 89mm
  • Boss Inner Diameter: 14mm
  • Boss Outer Dimater: 20mm
  • Boss Length: 39mm
  • Honda Ruckus 50 (NPS50), QMB139 50cc/49cc , Various unlisted makes/models

Maddog 50cc QMB139 SSP-G Performance Variator

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