GY6 80cc Cylinder Assy (47mm)
- Brand: Mortch Motor
- Product Code: MIGY80-4003
- Product Viewed: 133
- Availability: In Stock
- Weight: 1.03kg
- Packing Size: 12.00 x 15.00 x 14.00cm
US$11.50 4234 SOLD
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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
- Please verify that this parts fits your specific vehicle model and year. Many vehicles share similar name but use different parts by year or market, so always double-check your owner's manual or contact us for assistance if you are unsure.
- We strongly recommend cross-checking with your vehicle's manual or contacting us for confirmation before purchasing.
- Product photos, measurements, and descriptions are for reference only. Minor differences in color or appearance may occur due to manufacturing batches or lighting, but the functional specifications will match your ordered part.
- Professional installation is strongly recommended. Mortch Motor is not responsible for damage or injury caused by incorrect installation, misuse, or modification of the product.
- All prices shown do NOT include any import duties, taxes, or customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are the responsibility of the recipient.
- If an order is returned due to unpaid duties/taxes or refusal to clear customs, the buyer will be responsible for the original shipping costs, return shipping fees, and any related charges deducted from the refund.
Tags: 139QMB, 144QMC, 147QMD, 80cc upgrades, Big Bore Kit, Block, Cylinder, GY6, High Performance, Set Motor
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