Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 89Get this manual
3Remove nut (a), washer (b), propeller (c) and thru st hub (d) 5Loosen bolt (a) to loosen sh ift shaft clamp (b)
6Remove bolts
(a, with washers
Gear Housing Removal
aWARNING