Good idea, I have a friendly napa store local here.
Another I thought, Use a short length of larger hose as the bell, glued or clamped.
It's on back burner for now as I wait for fuel pump.
Cant find anything about needed pressure but the thing only dribbles when I crank the starter. And it had fuel starving symptoms.
Dealer wants too much for pump, so here I go again AM.
Electric low volume pump is an option too.
Yes I searched that WH forum. I suck at that.
edit Its a Kohler 10 hp