Carbureted Models
All carbureted models are equipped with "feedback" carburetors with an electric mixture control (M/C) solenoid. The M/C solenoid operates single or dual metering rods in the float bowl. The metering rod system supplements fuel supplied by the idle and main systems in the carburetor. It varies the air/fuel ratio within a pre-calibrated range. The M/C solenoid also controls air/fuel ratio through the use of an idle air bleed that operates in conjunction with the metering rod(s).