SSP-G After-Market Performance GY6 50 Transmission Kit for QMB139 engines. Please Note: If installing on a Genuine Buddy 50 or Roughhouse 50 you must reuse the stock drive face. Please see our Warranty & Returns Policy.
1500 RPM Spring
Spring Inner Diameter: 49mm
Spring Height: 105mm
Roller Weight Size: 16x13mm (8g)
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
Light Weight Aluminum Drive Face
SUPPORTED MODELS: Genuine Buddy 50, Genuine Roughhouse 50, Kymco Agility 50, QMB139 50cc/49cc , Various unlisted makes/models
