1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 192Get this manual
CYLINDER BLOCKCRANKCASE
3Remove telltale water hose
a-Water Hose
Powerhead Removal
1Remove driveshaft housing covers (4 bolts and nuts)
NOTE: To aid in removal of bolts, small straight screwdriver should be placed in nut pocket to prevent turning of nuts