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If the crank rotates clockwise when viewed from the front, it's gonna be counterclockwise when viewed from aft. I think most, if not all, engines run clockwise when viewed from the front of the crank. The transmission determines which way the propshaft turns, think of gears on a shaft, each gear drives the next one in the opposite direction so final direction is determined by number of shafts in that drive path. Just workin' with an old feeble brain here, I'm sure someone will correct me if I've erred, and tell us of every "left handed" engine in the world.
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