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March 20, 2019 at 4:32 am
#171572
Good morning
Congrats on finding 2 early Johnsons.
The B is an early version of a motor for use in salt water. 1924 sounds about right without my book in front of me.
The AB25 started in 1925.
The serial numbers were also stamped on the underside of the crankcase by the cylinder flange.
Early Johnsons are some of the best running antique outboards IMHO.