-
Operational Design: It is a "balanced" and "sealed" type carburetor, meaning all air for the idle operation and fuel bowl ventilation must enter through the air cleaner
. The semi-concentric fuel bowl is designed to allow the engine to operate at extreme angles without starving or flooding . -
Fuel Supply System: This system consists of a threaded fuel inlet, a fuel valve (needle and seat), a float assembly, and a float chamber
. The float regulates the fuel valve to maintain the proper fuel level based on engine speed and load .\ -
Idle System: This includes two idle discharge holes, an idle jet, an idle air passage, an idle adjusting needle, and a fuel pick-up passage
. -
High Speed (Main Metering) System: This system is composed of the venturi, a main jet, a main discharge, and a well vent
. Some models may also feature a main jet adjustment . -
Choke System: It utilizes a semi-automatic choke consisting of a choke plate with a spring-loaded poppet valve to prevent over-choking once the engine starts
.
