Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 205Get this manual
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GEAR HOUSING
With Teflon (92-825407A 12)
4 Install new O-ring (a) and lubricate with 2-4-C wfTeflon Marine Lubricant5 Install bearing carrier onto propeller shaft as shown=56397 563