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HomeShopMotorcycle Parts / AccessoriesMotorcycle Engines & ComponentMotorcycle Cylinder Kits50cc GY6 139QMB 100cc 64mm Big Bore Head Piston Rings Cylinder Kit For Chinese Scooter

50cc GY6 139QMB 100cc 64mm Big Bore Head Piston Rings Cylinder Kit For Chinese Scooter

$83.99 (Price with tax)

Ship From: CN (Free Shipping)
Estimated Delivery on: Thursday , November 4

In stock. Ships in 24 hours
MPN: YE-BG1844420
Return policy: Eligible for Return, Refund or Replacement
Declaration: High quality auto accessories with 1 year warranty


Product NameBig Bore Cylinder Head
Cylinder Diameter50mm/1.96inch
Total Height Of Cylinder Head60mm/2.36inch
Total Height Of Cylinder70mm/2.75inch
Intake Valve Diameter18mm/0.7inch
Outlet Diameter16mm/0.62inch
Valve Height64mm/2.51inch
Quantity1 Set
1. For scooters with 139QMB or 139QMI engines Scooter 
2. For Chinese Scooter 50cc GY6
(Please Compare With Your Original One Before Purchasing)
1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.
2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
3. There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible.
Package Includes:
1 XCylinder Head
1 XValve
1 XCirclip
1 XPiston Pin
2 XPiston
3 XGaskets
5 XLoop

Additional information

Weight4138 g
Quality assurance time

1 year

Return and exchange cycle

30 days

Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 2 days and we’ll take care of it. Check out our Warranty Policy for more details.

Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.

Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

We can only accept returns for items that are unused, undamaged, and in original packaging with all accessories. You have 30 days from the date of delivery to return items for an exchange, refund, or store credit.

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