isscooter

Product

professional quality gy6 80cc cylinder piston kit

SKU QGPJ.00641 Category Brand

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Descrtption

80cc Big Bore Kit Cylinder 69mm Head Piston Rings Chinese Scooter 50cc 60cc GY6
80cc Big Bore Kit with 69mm Valve Head Assembly

Need Faster acceleration, and more top speed to keep up with the flow. Then our Big Bore Kits are the way to go.

For scooters with 139QMB or 139QMI engines Scooter

Before ordering check your head assembly for the correct valve length. See the 2nd and 3rd listing images.

If you need a different BIG BORE KIT click link below

64mm Head 80cc Big Bore Kit w eBay Item# 291567626384

69mm Head 80cc Big Bore Kit w eBay Item# 271616884375

64mm Head 100cc Big Bore Kit w eBay Item# 281816759859

69mm Head 100cc Big Bore Kit w eBay Item# 271116277724

Specs

Intake Valve Diameter: 18mm

Exhaust Valve Diameter: 16mm

Head Assembly with 69mm Valves

80cc Cylinder Diameter: 47mm

Includes

Head Assembly with 69mm Valves

Cylinder

Piston

Ring Set

Wrist Pin

Cirq Clips

Head and Base Gaskets

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