1977 Mercury 150hp Tower of Power bogs under load

by Dave
(Shavertown, pa)

Over the winter I rebuilt the fuel pump cleaned carbs paying very close attention to mixture screw locations, replaced fuel tank and fuel lines also replaced wiring harness for engine.
When I put it in the water last week it had a hard time starting and when given trodle under load it bogs unless u floor it it. It also seems to smell like it is running rich.

Has anyone had this issue and knows how to fix it?

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