GY6 50Cc Carburetor Big Bore 18Mm For 139QMB 139QMA Engines Built For Taotao And Other Chinese Scooters ATV Go Kart Moped Quad Bikes Performance Upgrade Premium Replacement For Faster Starts Smoother Throttle Response
✔️ 18mm intake diameter, 28mm outer, 2-pin choke, 35mm filter mount
This premium GY6 50cc carburetor big bore 18mm is designed for 139QMB/139QMA engines and is a common upgrade for Taotao, Roketa, SunL, Tank, Peace, JCL, and other Chinese scooters, ATVs, go-karts, mopeds, and quad bikes. It replaces worn units to deliver quicker starts and a steadier throttle response. Please check your machine model number and part number before purchasing to ensure compatibility.
✅ Intake side inner diameter 18mm, outer diameter 28mm, 2-pin choke
✅ Filter mount inner diameter 35mm, outer diameter 39mm
✅ Fits 139QMB/139QMA engines and a wide range of Chinese scooters and ATVs
✅ Package includes 1x carburetor for easy replacement
💡 What is a 50cc GY6 carburetor and how does it improve startup and throttle response?
It’s a handy upgrade for common Chinese scooters and ATVs.
- Handy upgrade for faster starts and smoother throttle
- Replaces worn carburetors on Taotao, Roketa, SunL and similar brands
- Optimizes air-fuel mix for reliable idle and acceleration