2000 fourwinns vista 248 with 5.0gi pefs 1.95 dp. boat only revs to 3400rpm trimmed. I have f4 props, I think I need f3.
boat ran 35mph wot 3200rpm.
when I bought the boat 2 years ago I replaced the fuel pump and it ran as described above but recently at wot it would loose rpm and cruise at...