Cylinder Head 39mm
49cc GY6-QMB Motors
Valve L=64mm (With Valves, Springs, EGR)
Fits Most 49cc Chinese Scooters


Part #: 633984
MSRP: $39.99
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  • Product Description
  • Part #
These QMB139 (GY6-50) 49cc cylinder heads are 60mm tall and replace
Tomos Nitro 50 # 1220A-BE2-A001 12200-FYBQ-000



Common applications include:
E-Ton 50cc Sport (ESport) (Vin: TCA)
Sub for 634594
  • Part #: 633984

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