1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 273Get this manual
NON BIGFOOT GEAR HOUSING
3Apply Loctite 271 to O.Dof fishline cutter sealWith ring removed from Mandrel (91-824785A1), press seal, with LIP FACING Mandrel, into carrierApply Special Lubricant 101 between lips of both seals91-824785A1 53022
Loctite "271" (92-809819)