hi i am doing a restoration for a mercury 80 hp, 1972, i have a problem with fuel suply, i change gaskets, and diaphragm, but the fuel flow, its not constant, i check the check valves, and ones is sticky, so i decided change.

but the set include 2 check valves and gasket, ? or just one check valve ?
i dont see the gasket at boats.net list

thanks

That should come as an assembly with both check valves and required gaskets.

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thanks. i'll order it.

also, do you think the fuel supply cut, its because some malfunction in this check valves ?