1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 224Get this manual
Gearcase Servicing40RW, 40RP, 45, 55 Remova 1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads2Remove the shift lever retaining pinPush the shift lever toward the powerhead to disengage the shift lever from the shift rod 3Mark the trim tab and the gearcase before removing the trim tab so tab is put back in the same position Remove the trim tab retaining screw and the trim tab from the gearcase4Using 58 inthin wall socket, remove the countersunk screw with the lock washer5Remove the screw from inside trim tab cavity&W