Universal Parts QMB139 Cylinder & Head Kit 69mm Valves
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Universal Parts QMB139 Cylinder & Head Kit 69mm Valves (151-280)
Universal Parts QMB139 Cylinder & Head Kit 69mm Valves
Item-Code : 151-280
Regular Price : $92.00
Season Special: $79.99
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Availability :Usually ships the next business day


 





Product Description
50cc QMB139 4-stroke Cylinder and Head Kit With 69mm Valves. Choose from 39mm, 47mm or 50mm bore in the Drop Down Box. 47mm Option on Clearance.


Please see our Warranty & Returns Policy.


You may need to modify your engine case to accommodate the larger cylinder.


Specifications:
  • Cylinder Bore: Choose from 39mm, 47mm or 50mm
  • Cylinder Sleeve Outer Diameter: 45mm (39mm bore) / 52.8mm (47mm bore) / 53.95mm (50mm bore)
  • Wrist Pin Diameter: 13mm
  • Total Piston Height: 34.4mm
  • Compression Height (from center of wrist pin hole to top edge of piston): 17.25mm
  • Intake and Exhaust Valve Length: 69mm
  • Non-Emissions Head
 
 
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