1977 Evinrude 9.9-15 HP Outboard Motor Service Repair Manual P/N 5305, Page 81Get this manual
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WATER PUMP REPAIR KIT AVAILABLE DRI ESH FT" RING SEALS SHORT SCREW (2)
OIL DRAIN ND FILL PLUG ND WAS"'"
LOWER THRUS WASHER
THRUST- WASHER REVERSE GEAR