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72cc Big Bore Cylinder Kit- Chinese 4T GY6


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72cc 47mm big bore cylinder kit for Chinese 4 stroke bikes with GY6 139QMB/QMA type engines.

These kits offer a substantial power increase over the standard 50cc kits and will fit all modern Chinese 50cc 4-stroke mopeds.

  • Chinese 50cc 4 stroke (GY6- 139QMA/QMB engines)
  • Kymco 50cc 4-stroke
  • Peugeot V-Clic
  • Peugeot Vivacity 3 ('08 on) 4-stroke