hard start

I read somewhere that sea ray fitted these boats with an additional fuel pump before the fuel water separator filter because of fuel delivery issues. Can’t seem to find the part in any sea ray manuals or parts catalogs. Does anyone know the part number?

I searched the Forum but only found this issue with fuel injected 5.7s. We have a 97 Signature 190 with the 5.7 H.O. carbureted engine. Up till recently she's started completely without issue. Hot or cold. Last two trips we've had problems once out on the water trying to get her to start after...

So both engines are not idling properly. Stbd One has to idle around 2000 and will stall out at 1500. Port engine will idle at 600 - 700 but overheat quickly at idle but maintain temp at around 1200 - 1500 rpm. Could timing be be an issue? Or the throttle be set wrong or even the fuel be too...