GY6 50cc 39mm Cylinder Kit for Chinese Scooters — 139QMB Fitment
GY6 50cc 39mm Cylinder Kit for Chinese Scooters — 139QMB Fitment view 1GY6 50cc 39mm Cylinder Kit for Chinese Scooters — 139QMB Fitment view 2
Cylinder Kits

GY6 50cc 39mm Cylinder Kit for Chinese Scooters — 139QMB Fitment

GY6 50cc 39mm 缸体套件,适用于中国踏板车 — 139QMB 适配
✓ Market Verified: High-volume GY6 50cc category, consistent platform orders
Bore Size39mm
Compatible EngineGY6 50cc (139QMB)
Kit IncludesCylinder, piston, rings, pin, clips, gaskets
MOQ10 pcs
Racing-grade component — contact us for volume pricing, OEM quotation & MOQ details.

Performance Highlights

  • 39mm bore for GY6 50cc (139QMB) engines
  • Cylinder, piston, rings, pin and circlips
  • Complete gasket set included
  • Suitable for OEM replacement or standard rebuild
  • Wide compatibility with Chinese 50cc scooters
  • MOQ from 10 pcs

39mm cylinder kit for GY6 50cc scooter engines. Fits 139QMB platform. Includes cylinder, piston, rings, pin, clips and gasket set. OEM replacement and rebuild use.

Bore Size39mm
Compatible EngineGY6 50cc (139QMB)
Kit IncludesCylinder, piston, rings, pin, clips, gaskets
MOQ10 pcs
Lead Time10-15 days
OEM AvailableYes
Warranty6 Months

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