1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 282Get this manual
NON BIGFOOT GEAR HOUSING
Propeller Shaft and Bearing Carrier Installation
1Install REVERSE gear into bearing carrier2If not previously lubricated, apply 2-4-C wTeflon to O-ring3Apply 2-4-C wTeflon to bearing carrier threads and pilot diameter4Slide bearing carrier onto propeller shaft and install entire assembly into gear housing95