1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 254Get this manual
Assembly 1Lubricate the armature shaft bearing surface with one drop of SAE No10 oilLubricate pinion helix on armature shaft with GE Versilube, OMC PIN 330615 I]]
2 If removed, install retaining ring and washer end of armature shaft
3Assemble drive end cappinionanti-drift springand spacer to drive end of armature shaftInstall new locknutUsing strap wrench to prevent damage to arm'ature, tighten nut to torque of 27-34 Nm (240-300 inIbs 20-25 ftIbs4Assemble armature to frame and magnet assembly, aligning marks on drive cap end and frame5Install insulated brush and terminal set in commutator end cap with long lead in slotPosition the insulatorsflat washer CD lockwasherand nut as shown in figure
INote Reversing these brushes will cause motor to run backwards[!ill [}II AInstall brush holder CD brush springs, and ground brushes Screws secure ground brush leads and holderInsert insulated brushes in holder