Not very familiar with that specific card, most will not let parts fall out. Float should hinge up and down, which raises needle to seat and allows gas to flow. If float drops too far, could allow needle to fall out, I guess.
How many carbs on this engine? Is it the mercury or the Yamaha?
I have a tohatsu 40 with 3 carbs, I found it easier to pull all three at once
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