1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 274Get this manual
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NON BIGFOOT GEAR HOUSING
91-13655 53021
Loctite "271" (92-809819)
a-Seal (Lip FACES UP) b-Mandrel (91-13655)
90-856159R1 AUGUST 1998
Page 6A-3