Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 203Get this manual
GEAR HOUSING
9Install retainer plate (a)washer (b) and bolt (c)Torque bolt to 70 Ib-in(8 Nm)10Install water picku tube seal and apply 2-4-C wfTeflon Marine Lubricant to IDof seal (d)
Propeller Shaft
2-4-C With Teflon (92-825407A12)