1990 Johnson Evinrude "ES" Electric Trollers Service Repair Manual, P/N 507869, Page 82Get this manual
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Setting Motor Offset
EJ Tighten set screw to 30-40 inIbs(3,4-4,5 Nm)
5 Apply OMC Screw Lockto the adapter set screw and install
6 Install steering housing as described