JZsports High performance Red cover carburetor for 2-Stroke Bicycle Engine Kit

  2-Stroke complete red Carburetor fits all engine sizes.

Receive more power from the larger jet needle slide. 

For the JZsports line of bicycle engine, the factory produces a carburetor designed for the 66cc and 48cc engine. The improved carburetor uses a larger barrel slide for the throttle body for increased performance. This new carburetor has the air intake & discharge hole diameters 3mm larger on both sides of the brass slide.  There is a better screw connection for the intake manifold. 

The Speed Carburetor will idle much better at a lower RPM, has more low-end torque and better fuel economy.

Updated design. 
Do not need to pump oil incessantly before start. 
Advantage: easy to start, more stable when speed up and idle speed.

14.94mm Plunger inside.