Mercarb Check Balls

Some Mercarbs use an intake check ball at the bottom of the accelerator pump well with a screen and/or retainer over the check ball.

All Mercarbs use a ball in the discharge.

They are both 5/32″ diameter.

The aluminum ball goes in the bottom of the pump well. This is typically lighter in color.

The stainless steel check ball would go in the main discharge. This is typically darker in color.


Updated on 09/07/2021

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