I think you will be happiest with a 90 in a notch. 25" shaft, if you can do it. And a kicker that runs from a 2nd tank. You will be lighter than my equivalent setup in a 4 stroke setup, so you might not need stern lifting props or fins, so you would be faster and more efficient. I think you wouldn't need tabs ( I don't).
Play with props to wring the most out of your rig. You can get ~ 40% more power down to the water with an optimal versus not so good prop. I am still not optimal, but getting there. That's like 115 thrust from a 90. For no more weight. And less cost.
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