Mercury Mariner Outboards 2.2 / 2.5 / 3.0 Service Shop Manual, Page 68Get this manual
Installation AWARNING
To prevent accidental engine starting, remove (and isolate) spark plug lead from spark plug BEFORE installing gear housing onto drive shaft housing
3Apply Quicksilver 2-4-C Multi-Lube on 1.0of seals (b)Align components, as shownWhile pushing up on gear housingrotate propeller (clockwise) to engage lower drive shaft into up per drive shaft
1Remove (and isolate) spark plug lead from spark plugClose fuel shutoff valveTilt engine to full "Up" position Apply Quicksilver Perfect Seal on threads of gear housing retaining boltsApply Quicksilver 2-4-C Multi-Lube on end of tube (a) .0 Insert tube (a) into drive shaft housing, and push tube into lower crankshaft seal