1989 E40ELCUD idle problem

[moman1941]

I need help,when I put it in gear it dies cleaned&rebuilt carbs the prop is free no prob.there,it starts good when I warm it up & put it in gear it dies what would cause that. another ? I can put my hand over top carb no change in rpm ,when I put my hand over bottom carb it floods out and dies , shouldn`t top carb do the same. please help me I would like to go fishing thanks.

[boats.net]

Check compression to see if both cylinders are even. Not getting enough gas , compression bad on top cylinder or broke reed valve, if compression ok remove and recheck carb.