1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 63Get this manual
iRemove upper gearcase bearing, using bearing remover (Special Tool #309916)jDrive propel1er shaft oil seal out of the housing, using punchRemove ring DISASSEMBLY OF ELECTRIC SHIFT GEARCASE
Drain gearcaseRemove propel1er nutcotter and drive pins, thrust washer and propel1er5984
Figure 6-18Removing Pinion Bearings
Remove three screws attaching (impel1er) housing to lower gearcaseDriveshaft and assembly now lifted from lower gearcaseFigure 6-16Remove seals, ring, and water tube grommetsRerriove the two lower gearcase stud nuts, the stud washer, and shift retainer916 inch deep socket is required to remove stud nutsDiscard the nuts, since they are not to re-usedThese are self-locking nuts and lose their locking after being removedFigure 6-21 dCarefully separate upper and lower gearcases about inches so that insulating sleeve over shift terminals slid back and disconnectedSee Figure 6-22Completely separate upper and lower gearcase assembliesSet aside -"'" upper gearcase NOTE: 20 rol1ers are used in pinion bearingRemove retainer screw and washer, and lift lon coil lead retainer from lower gearcaseFigure 6-23