Universal Parts QMB139 Intake Valve 69mm | 50cc 4-Stroke
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Replace a worn or damaged intake valve on your QMB139-powered 50cc scooter with this Universal Parts replacement intake valve. At 69mm overall length with an 18.5mm head diameter and 5mm shaft, it matches the factory spec for standard QMB139 49cc/50cc 4-stroke horizontal engines used across a wide range of Chinese-made scooters. Valve type: intake Head diameter: 18.5mm Shaft diameter: 5mm Overall length: 69mm Engine: QMB139 49cc/50cc 4-stroke horizontal Weight: 0.1 lbs Compatible Engines: QMB139 49cc/50cc 4-stroke horizontal engine Various unlisted makes and models using QMB139 engine platform California Prop 65 Warning: www.p65warnings.ca.gov
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