139QMB Carburetor for GY6 50cc 4-Stroke Scooters and ATVs

Upgrade your ride with this high-performance 139QMB carburetor, specifically designed for GY6 49cc to 50cc 4-stroke engines. It ensures a reliable fuel-air mixture for optimal combustion and smooth operation on a wide range of vehicles, including Taotao, Kymco, and other scooters, mopeds, ATVs, go-karts, quads, and buggies.

• 18mm/20mm Intake Bore Diameter: Provides precise fuel delivery for 49cc to 80cc engines, optimizing power and efficiency.
• Air Filter Mount Diameter (32mm/35mm): Accommodates standard air filters for clean air intake, crucial for engine longevity and performance.
• Pilot Jet (38) and Main Jet (100) Configuration: Factory-tuned for common GY6 50cc applications, offering a great starting point for performance tuning.
• Includes Intake Manifold and Air Filter: Comes as a complete kit for straightforward installation, ensuring all necessary components are present.
• Durable Construction: Built with robust materials to withstand the demands of continuous use and varying environmental conditions.

This carburetor offers a significant upgrade over stock units, delivering enhanced throttle response and more consistent power delivery. It's engineered to meet or exceed the performance of original equipment, making it an ideal replacement or performance enhancement for your GY6-powered vehicle.

Key Technical Advantages: Technology and Performance

Featuring a precision-machined diaphragm and needle valve system, this 139QMB carburetor guarantees accurate fuel metering across the entire RPM range. The internal components are designed for durability and resistance to wear, ensuring prolonged service life and consistent performance. Its design facilitates easy adjustment and maintenance, allowing riders to fine-tune their engine for peak efficiency and power, whether for daily commuting or off-road adventures.