I have a 1966 Merc 650S, 4 cyl, sn #2018755. It runs great but is small for today's standards. It is on a 1966 (16') Starcraft aluminum runabout. New it would turn ~32mph. With hull buildup, dinged prop, etc it only turns about 24-25 mph. We are in t5he process of restoring before death. The...
