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GY6 80cc Cylinder Assy (47mm)

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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, piston, piston rings, and gaskets.

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.

  • Piston: Ф47mm
  • Piston Pin: Ф13x37mm

QTY in Box: 12PCs/CTN

Mortch Motor parts supported the Brands of BAOTIAN, BASHAN, BENZHOU, CFMOTOR, CHARMING, DAYANG, DINLI, FUXIN, GEELY, GILERA, HANGLONG, HAOJIN, HAOJUE, HISUN, HONGZHOU, HUATIAN, JIAJUE, JIANSHE, JINLUN, JMSTAR, JONWAY, KAITONG, KEEWAY, KINROAD, KYMCO, LIFAN, LINGBEN, LINGTIAN, LINHAI, LINTEX, LONCIN, LONGJIA, MAWI, MEIDUO, MOTORRO, PIAGGIO, QINGQI, RHON, RIEJU, SACHS, SHINERAY, SKYGO, SUKIDA, TAOTAO, VESPA, VONROAD, WANGYE, WONJAN, XINGYUE, XINLING, XINTIAN, YIBEN, YINGANG, ZHONGYU, ZNEN, ZONGSHEN, etc.
Note:
1. Please make sure this parts fits your particular model. Many bikes have the same name but use different parts depending on the year of manufacture.
2. The photos and measurements are for your reference only, and the goods is subject to the real product which you will receive.
3. Import duties, taxes and other customs related charges are not included. Buyers bear all responsibility for all extra charges incurred (if any).
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  • Brand: Mortch Motor
  • Product Code: MIGY80-4003
  • Product Viewed: 69241
    •
  • Availability: In Stock
  • Weight: 1.00kg
  • Packing Size: 12.00 x 15.00 x 14.00cm
    •

  • US $13.78

  • US $11.50

  • Discount: US $2.28    You Save: 17%

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Tags: 139QMB, 144QMC, 147QMD, 80cc upgrades, Big Bore Kit, Block, Cylinder, GY6, High Performance, Set Motor