Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 46Get this manual
Propeller Installation If the propeller shaft is rotated wh ile the engine is in gear, there is the possibility that the engine will crank over and startTo prevent this type of accidental engine starting and possible serious injury caused from being struck by rotating propeller, always shift outboard to neutral position and remove spark plug leads when you are servicing the propellerFlo-Tom Drive Hub Propellers
Trim-In Stop AdjustmentPower Trim Models
If an adjustment is required to the the trim-in stopreposition the ti lt stop pin as follows: 1Lock the outboard in the full tilt position2Remove bottom pivot pin3Swing the power trim system outward to gain access to the tilt stop pinsReposition the tilt stop pins in the desired holes4Reinstall the bottom pivot pin Torq ue pivot pin nuts to 18 ft(24.4 Nm) b=
11I11Ih
aForward Thrust HubPropeller Nul RetainerPropeller Nul