1990 Johnson Evinrude "ES" Electric Trollers Service Manual, P/N 507869, Page 78Get this manual
[1] Adapter Servicing
Removal
C0A4333
C0A4335
1Remove three screws retaining motor assembly2 Cut two motor leads at the splices3Remove adapter set screw
4Remove steering housing as described in Section 5Clamp motor tube in vee-jaw viseProtect the motor tube while clamping _ J