1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 170Get this manual
Powerhead Service20 thru 30 Removal
i twist and remove all spark plug leadsOn electric start
models, disconnect the battery cables at the battery2Remove the manual starter as described in Section 7
'" 1To avoid accidental starting of engine while servicing,