IDLE SCREW, AIR SCREW, NEEDLE JET
Idle screw main function is to adjust the throttle plate in order to increase or decrease engine speed while idling.
Air screw is crafted from strong and durable steel. Each air screw design with flat head screw that work with pilot jet to supply mixture at low idle to engine.
Needle jet are produced from high quality steel. It supplies fuel to carburetor venturi from 1/8 to 3/4 of the throttle opening. Each jet needle come with and adjustable clip.