Universal Parts Complete QMB139 Cylinder Head - Emissions

$44.99
SKU: 151-240
Restock: Early June

This item is IN STOCK

Current Stock: 41

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Universal Parts Completely Assembled PAIR Style Cylinder Head for 50cc 4-stroke QMB139 engines.

PAIR is an acronym for Pulsed Secondary Air Injection System. It is an emissions control system used to lower HC and CO emissions. It works by allowing air into the exhaust flow.

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  • Intake Port Diameter: 17mm
  • Exhaust Port Diameter: 17mm
  • Valve Length: 69mm 
  • Emission Control System: Pulsed Secondary Air Injection System(PAIR)
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QMB139 50cc/49cc