GY6 50cc (139QMB) Carb Breather Pipe

Carburetor Breather Pipe for GY6 50cc Engines

This breather pipe for the carburetor is made for 50cc 4-stroke QMB139 engines. It manages air movement inside the carburetor, which plays a part in how well your engine runs. Among GY6 50cc scooter parts, it is one of the more straightforward pieces to install at home, so it suits anyone who likes to do their own repairs. If your engine is hard to start or its idle is uneven, swapping this pipe out is worth considering.

What This Part Does

The carburetor is where fuel and air come together before burning in the engine. Hard starting, surging, or a rough idle can point to a carburetor that needs attention, and wear or built-up grime are common causes.

Specifications

• Outer Diameter: 8.48 mm
• Inner Diameter: 5 mm
• Fits: GY6 50cc 4-stroke QMB139 engines (carburetor breather pipe, 8.48 mm OD x 5 mm ID)

Fitment

Fits:

• Baja SC50
• Kymco (QMB139 50cc 4-stroke engine)
• Panterra (QMB139 50cc 4-stroke engine)
• Roketa (QMB139 50cc 4-stroke engine)
• SUNL (QMB139 50cc 4-stroke engine)
• Schwinn (QMB139 50cc 4-stroke engine)
• Tank (QMB139 50cc 4-stroke engine)
• QMB139 50cc/49cc engines of various unlisted makes and models

How to choose: Compare the pipe's 8.48 mm outer diameter and 5 mm inner diameter with the breather fitting on your carburetor to confirm a match.

Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Carburetors & Jets · Scooter Parts