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July 14, 2020 at 10:11 pm
#208654
The style of tilt lock release and transom mounting brackets were used 1960-1968. The motor had a hot-water choke which limits it to 1960-63, but of course could be used on 1964-68 by removing the water fitting.
If you want to narrow it down any more, 1960 had a two-piece drive shaft.
Bottom line is the general design was used 1960-68