Quite a few years ago I owned a '57 crestliner, I had to carry extra shear pins because the outboard was hard on them. One fine summer day north end of Cayuga lake past the railroad bridge I'm anchored off near the cattails trying to change one, leaning over the motor, had forgot to pin it up. So the motor drops and launches me off the back of the boat.
So now I'm standing chest deep soaked hoping nobody saw that move, but I got the pin changed.