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NCY Cylinder Kit (Cast; 52mm, 88cc); 139QMBNCY GY6 50 139QMB 52mm Cast Iron Cylinder Kit w o head Want a real screamer? Then this 88cc big bore kit for you, although its not a bolt on item for most 139QMB bikes. Most of the time, engine cases must be cut. Order part number 1400 1001, Engine Bore Tool if there is no access to a machine shop. Its also recommended to get part number 1100 1239, 50mm big valve head as well, as some stock heads will not fit. Have a look at our Decompression Tube
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NCY GY6 50/139QMB 52mm Cast Iron Cylinder Kit w/o head
Want a real screamer? Then this 88cc big bore kit for you, although its not a bolt on item for most 139QMB bikes. Most of the time, engine cases must be cut. Order part number 1400-1001, Engine Bore Tool if there is no access to a machine shop. Its also recommended to get part number 1100-1239, 50mm big valve head as well, as some stock heads will not fit.
Have a look at our Decompression Tube Assembly which replaces your dipstick and allows excess crank case pressure to be released. Good idea to install one of these alongside any cylinder kit upgrade.
Not legal for use in California on pollution controlled vehicles. Check local laws before installing.
This product is not intended for use on public roads or land.
NCY Cylinder Kit (Cast; 52mm, 88cc); 139QMB
Item no
:
43438553318
US$ 149.00
Pay in 4 interest-free payments of $37.25 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
US$40
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