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QMB139 Crankshaft, Type-2

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QMB139 Crankshaft, Type-2

QMB139 Crankshaft, Type-2

Crankshaft Assembly, Type-2 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.

  • Stroke: 41.4mmĀ 
  • Overall Length: 254mmĀ 
  • Thread Size (tapered side): M10x1.25Ā 
  • Thread Size (spline side): M12x1.25Ā 
  • Bearing Outer Diameter (tapered side): 42mmĀ 
  • Bearing Outer Diameter (spline side): 47mmĀ 
  • Number of Splines: 26Ā 
  • Number of Teeth (oil pump drive gear): 22
$57.99
QMB139 Crankshaft, Type-2—
$57.99

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Crankshaft Assembly, Type-2 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.

  • Stroke: 41.4mmĀ 
  • Overall Length: 254mmĀ 
  • Thread Size (tapered side): M10x1.25Ā 
  • Thread Size (spline side): M12x1.25Ā 
  • Bearing Outer Diameter (tapered side): 42mmĀ 
  • Bearing Outer Diameter (spline side): 47mmĀ 
  • Number of Splines: 26Ā 
  • Number of Teeth (oil pump drive gear): 22