1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 171Get this manual
Stern Bracket Servicing Disassembly r:jl 1The screws holding the upper mount to the steering arm L!J are splined Remove the upper mount to steering arm nuts Remove the upper mount assembly
2Place the upper mount in viseUsing plastic or leather mallet, drive the two splined screws out of the mountC082116
3Using 178 insocket, remove the retaining nut from the bottom of the pivot shaftDiscard the nut! Remove the mount bracket and the keeper from the pivot shaft