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Cylinder Piston Kit 50mm Bore For GY6 100cc Scooter Moped 1P39QMB 139QMB (Style 2)

Free shipping on orders over $29.99

$58.00

$ 28 .99 $28.99

In Stock

1.Size:Style 2


  • [High Quality]--High quality cylinder kit, made of solid metal, has a long service life and can be purchased with confidence.
  • [Installation]--You can replace the installation completely. We do not provide installation instructions, because we recommend professional installation.
  • [Specification]--Head: 64mm valves; Cylinder Size: 50mm ID; Intake Valve Diameter: 18mm; Exhaust Valve Diameter: 16mm.
  • [Fits]--For 139QMB & 1P39QMB /GY6 4 Stroke Chinese Scooters.
  • [Intake Valve Diameter]--18mm.


Specification:

Material: Metal

Head: 64mm valves

Cylinder Size: 50mm ID

Intake Valve Diameter: 18mm

Exhaust Valve Diameter: 16mm

Performance Racing CDI (AC Fired): 70mmx30mmx37mm

Performance Racing Coil length: 360mm

Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)

Please Compare The Scooter Kit With Your Original One Before Purchasing!


Fits (For the reference):

For 139QMB & 1P39QMB /GY6 4 Stroke Chinese Scooters


NOTE:

Installation Manual Is NOT Included

Professional Installation Is Highly Recommended


Package includes:

50mm Big Bore Cylinder Kit With Assembled Head,

Performance Racing CDI (AC Fired),

Performance Racing Coil

Rollers

Rocker Arms

Oil Pump & Drive Gear

Intake & Exhaust Studs & Complete Gasket Set


Dan Shaw
Reviewed in the United States on March 21, 2025
Very fast shipping and appears to be of very high quality no issues with fit at all very accurate description
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