Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 270Get this manual
7After excess has stopped flowing out of hole, reinstall screw and washer8Remove lubricant tube from screw and washer LEVEL"
hole and reinSlali
Installing Gear Housing to Drive Shaft Housing AWARNING
Disconnect high tension leads from spark plugs before installing gear housing onto drive shaft housing to avoid accidental starting and possible injury1Tilt engine to full up position and engage the tilt lock lever23Install nylon lube and rubber seal onlo drive shaftApply light coat of Quicksilver 2-4-C Marine Lubricant (92-90018A 12) onto drive shaft splines