1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 200Get this manual
12Install components as shown 15Lubricate I.Dof cover with Quicksilver 2-4C w Teflon (92-825407A12)16Rotate drive shaft clockwise and push cover down over impeller17Install cover18If water tube seal stayed on water tube (inside of drive shaft housing) when gear housing was removed, pull water tube seal from water tube19Lubricate I.Dof water tube seal with Quicksilver 2-4-C wTeflon (92-825407A12) and install as shown19217
aWater Pump BaseBolts and Washers; Apply Loctite 271 on Threads and Torque to 60 lbin(6.8 Nm)
13Install gasket and plate
a 19219 Cover Isolators (4) If Equipped Washers (4) Bolts (4); Apply Loctite 271 on Threads and Torque to 60 lbin(6.8 Nm)eWater Tube Seal 19212