2001 Mercury Mariner 50-60HP Factory Service Manual, Page 434Get this manual
NON-BIGFOOT GEAR HOUSING
3Apply Loctite 271 on O.Dof small diameter oil sealSeal lip should face away from shoulder on Installation ToolPress seal in until Installer Tool bottoms out7
91-817007
Loctite "271" (92-809819)
aSmall Diameter SealInstaller Tool (91-817007) 4Apply Loctite 271 on O.Dof larger diameter oil sealSeal lip should face towards shoulder on installation toolPress in until Installer tool bottoms out7