139QMB 18mm Carburetor For GY6 50cc 49CC 4-Stroke Scooter Taotao Intake Manifold

139QMB 18mm Carburetor for GY6 50cc 49CC 4-Stroke Scooter

The 139QMB 18mm carburetor for GY6 50cc 49CC 4-Stroke scooter is a direct replacement fuel delivery unit, and this Taotao intake manifold carburetor assembly restores consistent air and fuel mixing for reliable starts and smooth acceleration.

Overview

This 139QMB 18mm carburetor for GY6 50cc 49CC 4-Stroke scooter applications handles the air and fuel mixture your engine needs to run correctly. It replaces a worn, blocked, or leaking carburetor so idle quality and throttle response return to normal. The included Taotao intake manifold carburetor assembly suits owners of GY6 based scooters doing routine service or a full replacement.

Built For Performance

• 18mm bore sized for GY6 50cc and 49CC 4 stroke engines
• Carburetor and intake manifold supplied together for one install
• Metering circuits tuned for steady idle and clean acceleration
• Cast body stands up to engine heat and road vibration
• Adjustable idle and choke points for simple tuning

Fits These Machines

• for GY6 50cc 4 stroke scooters
• for GY6 49CC 4 stroke scooters
• for Taotao scooters with GY6 engines
• for 139QMB equipped machines

On-The-Job Use

• Everyday riding on 50cc scooters
• Fixing rough idle or hesitation on a GY6 engine
• Replacing a clogged carburetor during scheduled service
• Refreshing the intake manifold in the same repair

Specs At A Glance

Good To Know

Q: How do I know this carburetor matches my scooter? A: Confirm your engine carries the 139QMB code and uses an 18mm intake before ordering. Matching both points helps ensure the carburetor and manifold bolt up correctly.

Q: Does the intake manifold come with the carburetor? A: Yes, the 18mm intake manifold is included in this listing. Check the mounting surface and tighten the fasteners evenly to prevent air leaks.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.