This carburetor is the replacement for many scooters of the 139QMB 50cc family. It fits the GY6 50cc 4-stroke models. Made in Japan vs the Chinese made, it is an upgraded carburetor.

Features:

• spring encased drain line that lets you drain the bowl of your carburetor without spilling fuel on the engine
• 2-wire male plug
• Electric choke carb
• Air filter mount ID: 38.1mm
• Intake ID: 18.2mm
• Can be used with a 38mm or 40mm ID air filter