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MAIN METERING SYSTEM:

MAIN METERING SYSTEM - Primary fuel control system of the carburetor which provides fuel based on air flow and venturi vacuum.
MAIN SYSTEM FEEDBACK DIAPHRAGM - Controls the amount of air supplied by restricting or opening the feedback channel. The diaphragm is controlled by the duty cycle solenoid which varies the vacuum in accordance with the ECA signal.


METERING ROD - A pointed rod, fitting inside a jet, that controls fuel flow through the jet; a carburetor component.