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    2003 50HP EFI Fuel issue

    Idles fine - runs for short period at WOT then Bogs down like fuel starved vacuum/pressure gauge reads nuetral on engine side of fuel filter at WOT needle shakes at idle Same on other side of white metal critter that fuel passes thru. Assume this may be low pressure pump Excess seawater...
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    225HP Fuel line size ?

    New purchase of old boat with 225 HP mid 80s Mercury 225 HP 2stroke What size fuel line? It has 5/16 which I would think is insuffcient. My 115 Yamaha i rigged with a half inch line Thanks !o!
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