Intake Manifold GY6 50cc (139QMB)- 2 Fittings

Intake Manifold for GY6 50cc 139QMB Engines

This intake manifold has two vacuum ports and is built for 50cc 4-stroke QMB139 engines. It handles delivering fuel to the carburetor or injector, which keeps the engine running dependably. Fuel starvation or leaks can cause stalling and rough running. This item is among the GY6 50cc scooter parts that can be swapped out with little effort to bring back proper operation.

Function of This Component

The intake manifold links the engine to the fuel delivery system so the air and fuel mixture can be delivered correctly. If you're noticing problems with how fuel is getting delivered, check this component first and replace it if it shows wear or damage.

Specifications

• Engine Mount Inner Diameter: 17.7mm
• Carb Mount Inner Diameter: 26mm
• Bolt Hole Spacing: 45mm
• Fits: GY6 50cc QMB139 4-stroke engines (2 vacuum ports, 17.7mm engine side, 26mm carb side)

Compatibility

Fits:

• QMB139 50cc/49cc 4-stroke engines (GY6 style)

How to choose: Confirm the engine-side bore is 17.7mm inner diameter, the bolt holes are spaced 45mm apart, and the carb-side mount is 26mm.

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