Repowering a 1963 16' Fiber Craft

[DonV]

WE had a 70hp rude , one of the best motors I ever owned.

Yes Sir, I had one on my first 16' Hewes....NEVER gave me a minutes problem, great, great engines!!! I've got a 1998 90hp Yamaha on my current 16' Bonefisher, another great motor. The only downside is it's carbed and gets bad gas mileage, however after 12+ years the compression is within two pounds on all three cylinders. I would buy another versus the 4 stroke in a minute!!!! Remember things have changed with ethanol.......my humble suggestion to keep the carbs from gumming up, ALWAYS run the carbs dry when flushing your engine!!