1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 247Get this manual
4Assemble 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 insulators and nut as shown in figure
Reversing these brushes will cause starter motor to run backwards6Install brush holder, brush springs, and ground brushesScrews secure ground brush leads and holderInsert insulated brushes in holder7Assemble end cap to frame and field, aligning notch and ribA suitable tool for holding brushes in place can be made from putty knife
& 8Put drop of oil on thru-bolts before assembling starter