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100cc Big Bore Cylinder Kit for 50cc 4-Stroke,GY6 (Make Your Scooter Faster)

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Price:
$139.99
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Product Description

100cc Big Bore Cylinder Kit for 50cc 4-Stroke 139QMB GY6 Scooters

This kit fits many Chinese Scooters/Mopeds with 50cc, 60cc, and 80cc 4-Stroke GY6/139QMB engines. This will increase your powerband anywhere from 50-75% so be ready to go faster!!!  Included in this big bore set is: Only purchase this kit if you have the Head Assembly with 69mm valves  

Kits Comes with 

  • 1 - Head(69mm valves)
  • 1 - Cylinder (50mm ID)
  • 1 - Piston
  • 1 - Wrist Pin (13mm OD)
  • 1 - Head Gasket
  • 1 - Base Gasket
  • 1 - Complete Ring Set

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