SSP-G QMB139 Stroker Crankshaft


3 in stock


img-qind.JPG 44mm Stroker Crankshaft Assembly for 50cc 4-stroke QMB139 engines

  • Overall Length: 247mm
  • Thread Size (tapered side): M10x1.25
  • Thread Size (spline side): M12x1.25
  • Bearing Outer Diameter (tapered side): 42mm
  • Bearing Outer Diameter (spline side): 47mm
  • Number of Splines: 26
  • Connecting Rod Inner Diameter: 13mm
  • Number of Teeth (oil pump drive gear): 16

****Highly recommended for big bore modifications

Additional information

Weight 5 lbs
Dimensions 10 × 4 × 4 in


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