What more can I do?? 70hp Mercury starting/running problems

[Hullfam83]

Same problem replaced fuel lines gas can fuel filter put new gasket set for fuel pump cleaned carbs thoroughly engine goes good off start then bout 20 to 30 seconds later dies from lack of fuel I'm stumped pump ball and she runs fine

 

[GA_Boater]

Same problem replaced fuel lines gas can fuel filter put new gasket set for fuel pump cleaned carbs thoroughly engine goes good off start then bout 20 to 30 seconds later dies from lack of fuel I'm stumped pump ball and she runs fine

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