Circuits (Mercarb)

Mercarb Choke Thermostat The Mercarb marine 2 barrel carburetor is outfitted with an electric choke, which will get hot only...

Float Level Adjustment Bowl gasket in place. Plastic float – measure distance from gasket tolip of free end of float. Brass float...

Doesn’t Idle Well Adjust the idle mixture. Use a vacuum gauge connected to any vacuum source off the intake and...

The Mercarb accelerator pump circuit provides a little extra fuel when accelerating. Once the acceleration is over, the accelerator pump...

The Mercarb power circuit is used to add additional fuel to the main jet system when under power. As you...