Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 274Get this manual
Installing Gear Housing to Drive Shaft Housing Disconnect (and isolate) spark plug leads before
7Connect shift shaft by sliding retaine to the right locked" positionand snapping into upper U
installing gear housing onto drive shaft housing1Position shift lever in NEUTRAL gear position2Tilt engine to full "Up" positionEngage tilt lock lever3Shift gear housing into NEUTRALPropeller shaft will rotate freely in either directionIMPORTANT: Liberally apply 2-4-C Marine Lubri-
cant wfTeflon to drive shaft splines4Apply 2-4-C wfTeflon to drive shaft splines
5Position drive shaft into drive shaft housingMove gear housing upwards in drive shaft housing while aligning both shift shafts, water tube seal and drive shaft splinesNOTE: If the drive shaft splines will not align with the