1977 Evinrude 4HP Outboards Service Manual, PN 5303, Page 58Get this manual
GASKETS UPPER PNOT BEARING
INNER XHAUST HOUSING SLEEVE
(W EE DLESS HOUSING ILLUSTRA EDTILT BOLT
REAR SWNEL BRACKET
COMPRESSION FRICTION BLOCK AN NU T
CONICAL
BEARING EXHAUST HOUSING SPRING SPRI NG
Figure 6-9Exhaust Housing and Stern Bracket Group
DRI VE SHAFT
IMPELLER
IMP LL ER
WAT ER TUBE
t HOUSING
IMPELLER
IMP LL ER PLATE IMP EL GEARCASE HEAD SEAL PROPELLER GEARCASE O-RING SE "
-PU MP PLATE