80cc QMB139 47MM Cylinder Engine Kit with 64mm -EGR Head

Weight:2.722 kg

  • $38.99

GY6 50CC 47mm QMB139 Big Bore cylinder Engine kit with Cylinder,Cylinder Head piston kit, head gasket, base gaskets.

QMB139 47mm Piston Kit 

  •  Piston Diameter: 47mm
  •  Piston Pin Diameter: 13mm
  •  Piston Pin Length: 38mm

Cylinder Head Gasket 

  • 47mm Inside Diameter

Cylinder Gasket GY6 50cc

  • Bore: 47mm

Cylinder for GY6 50cc engine

  • * Bore: 47mm 

Cylinder Head

  •  EGR Style Cylinder Head
  •  47mm Bore
  •  Valve Length: 64mm
  •  Overall Height: 59.5mm
  •  Intake Port Diameter: 17mm
  •  Exhaust Port Diameter: 18mm
  •  Exhaust Bolt Hole Spacing: 49.75mm
  •  Intake Bolt Hole Spacing: 44.75mm

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