FREE SHIPPING! 139QMB 80cc(GY6 Big Bore) high performance cylinder kit for 50cc GY6 for Scooter ATV Go Karts Moped . (47mm)


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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller. |
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On-time Delivery Guarantees: On-time Delivery 60 days |
81cc(GY6 Big Bore) high performance cylinder kit for 50cc GY6 139QMB scooter engines.
This scooter upgrade kit is a high quality kit that is perfect for upgrading your old 50cc 139QMB engine to 81cc so you don’t get left behind in today’s fast paced world.
Installing this upgrade kit will increase your engine bore size to 81cc, and includes an aluminum cylinder, 50 mm piston, piston rings.
After installation, you will see an immediate increase in low end acceleration and an increase in top speed!
This 81cc scooter cylinder kit does not include the cylinder head. Combine this cylinder head with a high performance carburetor and exhaust for an even larger boost in performance.
One Box packed with 12pcs.
Supported the Brands of BAOTIAN, BASHAN, BENZHOU, CHARMING, DAYANG, DINLI, FUXIN, GEELY, GILERA, HANGLONG, HAOJIN, HAOJUE, HONGZHOU, HUATIAN, JIAJUE, JIANSHE, JINLUN, JMSTAR, JONWAY, JONWAY, KAITONG, KEEWAY, KINROAD, KYMCO, LIFAN, LINHAI, LINGBEN, LINGTIAN, LINTEX, LONCIN, LONGJIA, MAWI, MEIDUO, MOTORRO, PIAGGIO, QINGQI, RIEJU, RHON, SACHS, SHINERAY, SKYGO, SUKIDA, VESPA, VONROAD, WANGYE, XINLING, XINTIAN, XINGYUE, YIBEN, YINGANG, ZHONGYU, ZNEN, ZONGSHEN, etc.
Note: Please make sure this scooter parts fits your particular scooter model. Many scooters have the same name but use different parts depending on the year of manufacture.
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Name | Rating | Feedback |
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Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | |
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3 - 7 days | |
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5 - 14 days | |
Post Air Mail | Free Shipping | 15 - 45 days |
Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
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Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |

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