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I acquired a 1999 23 outrage that sat for about 5 years. It's equipped with a 225 Mercury Optimax. Last year I had to have the bad fuel pumped out and per the repair write up they cleaned the fuel pumps (and used what appears to be a very expensive fuel pump kit - sorry but I wasn't smart enough to get part numbers). When we took the boat out this season it still won't run above 2500 rpm. So it's in for repairs in Harrison Township and after getting new plug and wires they say it needs the VST pump in the engine replaced.
I'm not a mechanic - so just how many pumps are there in the fuel system for this boat/engine?