1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 312Get this manual
BIG FOOT
3Inspect FORWARD gear tapered bearing and race for rust, roughness, pitting, spalling or excessive wear (looseness)
NOTE: DO NOT remove tapered bearing from FORWARD gear unless replacement is necessary as removal process will damage bearing4If bearing must be replaced, remove bearing from gear using Universal Puller Plate (91-37241) and suitable mandrel (58 insocket)IMPORTANT: If FORWARD gear tapered bearing or race requires replacement, replace bearing and race as set
91-37241
a-Bearing b-Universal Puller Plate (91-37241) c-Mandrel (58 inSocket) 5If inspection determines that replacement of forward gear bushing is required, remove bushing from forward gear using one of two ways6Using Punch: Secure forward gear in viseBe sure to use soft jaw vise and do not clamp onto tapered bearingUse punch and hammer, remove bushing from the clutch jaw (teeth) side of gear7Using Press: Press bushing from gear using Bushing Removal Tool 91-824787