Product Description

This 18mm carburetor with electric auto choke is designed as an aftermarket replacement for many GY6-type 50cc 4-stroke engines, including QMB139-style layouts commonly used in scooters, mopeds, ATVs, and small buggies.
It provides stable fuel delivery, consistent performance, and easy cold starting through its 2-pin electric choke design.

Features

• 18mm carburetor suitable for GY6-type 50cc 4-stroke engines
• Includes 2-pin electric auto choke for reliable cold starts
• Precision-machined intake and air filter connections for stable operation
• Durable metal construction for long service life
• Designed as an aftermarket replacement for general GY6 50cc engine applications
• Easy installation when matching intake and mounting dimensions

Specifications

Intake Side (Engine Side)

• Inner diameter: approx. 18 mm

Air Filter Side

• Outer diameter: approx. 38–39 mm

Choke & Electrical

• Type: Electric auto choke
• Plug: 2-pin male connector

Other Details

• Engine style: GY6 / QMB139-type
• Vehicle type: scooters, mopeds, ATVs, buggies
• Aftermarket replacement component

Compatibility

Suitable for many GY6 50cc 4-stroke engines that follow the QMB139-type intake and mounting layout.
Commonly used in scooters, mopeds, ATVs, and small recreational vehicles with an 18mm carburetor configuration.
Fitment may vary based on manufacturer—please verify all dimensions before purchase.
This is an aftermarket part, not an OEM component.

Package Includes

• 1 × 18mm carburetor with electric auto choke

Shipping

Shipped from Melbourne, Australia.
Next-business-day dispatch for stocked items.