I repowered a 1950s Orlando Clipper tinny from a 1968 55 HP Johnson to a 40HP Nissan.
At the time that I bought the motor it was the most HP in a short shaft that I could find.
I hadn't found this website yet so all the research and options were what I found myself. I was hoping for a 50HP SS but 40HP was as big as I could find.
Although it is too late and i don't need to change anything now, I have wondered, and might as well ask....
Would it have been possible and/or feasible to convert from a 50 HP log shaft to a short shaft?