Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 465Get this manual
BIGFOOT GEAR HOUSING
Oil Sleeve Installation
1Install oil sleeve with tab positioned as shown
aOil SleeveTab
Upper Drive Shaft Bearing Installation
1Lubricate I.Dof bearing holder and .0 of bearing with 2-4-C wTeflon 2Press bearing into sleeve using mandrel from bearing installation tool (91-14309A1)