1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 312Get this manual
5Install two new back-to-back seals in the rear of the bearing housingUse OMC Special Tool PIN 326690Apply OMC Gasket Sealing Compound to the metal casing of the seals before installingInstall the inner seal with lip toward the bearing housing and install the outer seal with lip facing away from the bearing housingLiberally apply OMC Triple-Guard Grease between the seals after installing6I nstall new O-rings on the bearing housingSet the bearing housing retainers and screws aside 1371
Disassembly and Reassembly of Driveshaft Bearing Housing155
The driveshaft bearing housing is not serviceable, replace the bearing housing if the bearing is worn or damagedAlso, inspect the driveshaft bearing surface if bearing is damaged1Remove and discard the two driveshaft bearing housing seals using OMC Special Tool PIN 3912592Remove and discard the O-ring from the bearing housing