UMA Racing Carburetor PWK V3

The UMA Racing PWK V3 is a high-performance flat-side carburetor designed for superior fuel atomization and precise tuning. It is a popular upgrade for 150cc to 200cc engines, offering significant improvements in throttle response and high-RPM power.

 

Key Features & Specs

The V3 model is an evolution of the V2, featuring enhanced internals for more consistent delivery.

 

• Flat-D Slide: Improves airflow and throttle response compared to traditional round-slide carburetors.

   

• Quad Vents: Eliminates "post-jump bogging" by preventing fuel from plugging vent passages.

   

• Power Jet: Provides an extra boost of fuel at high RPMs to prevent the engine from running lean.

• Material: Made from a high-quality aluminum alloy that is lightweight yet durable.

   

• Ease of Tuning: Includes a manual choke and an easily accessible idle adjuster for on-the-go refinements.

   

Available Sizes & Part Numbers

The PWK V3 is available in multiple diameters to match your specific engine build:

 

• 28mm (4T): Part No. 02CA0080

   

• 30mm (4T): Part No. 02CA0090

   

• 32mm (4T): Part No. 02CA0100

   

• 34mm (4T): Part No. 02CA0110

   

• 36mm (4T): Part No. 02CA0120

   

Recommended Product

The UMA Racing PWK V3 28mm is an excellent choice for street-modified 150cc bikes, providing a balance of low-end torque and high-end flow.

Tuning & Installation Tips

1. Compatibility: While listed as universal, it is most commonly used on 4-stroke (4T) engines. If using for a 2-stroke, ensure the oil inlet is properly managed.

2. Initial Setup: Most tuners recommend starting with the factory-installed Jet Needle (3rd step) and an Air Screw setting of 1.5 turns out before fine-tuning for your local altitude and humidity.

3. Filtration: To protect the precision-machined slide, it is highly recommended to pair this with a high-flow air filter like the UMA Racing Dual Layer Kit.