2001 Mercury Mariner 50-60HP Factory Service Manual, Page 450Get this manual
NON-BIGFOOT GEAR HOUSING
8Install gasket and face plate
aGasketFace Plate IMPORTANT: If the old impeller is re-used, install in the original (clockwise) direction of rotation9Install drive key and impeller
aDrive KeyImpeller 10Lubricate I.Dof cover with Quicksilver 2-4-C wTeflonInstall gasket with bead facing up95