1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 48Get this manual

1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 48

SCREWS OIL RETURN

PIN SCREWS

Figure 5-12Crankcase Screw Locations

Figure 5-11Removing Crankcase