Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 22Get this manual
6Steering CableRotate steering wheel to fully retract the steering cable end (a) into the outboard tilt tube Lubricate through fitting (b) Checking Power Trim Fluid
1Tilt outboard to the full up position and engage the lilt support lock00
a Till Support Lock
The end of the steering cable must be fully re tracted into the outboard tilt tube before adding lubricantAdding lubricant to steering cable when fully extended could cause steering cable to become hydraulically lockedAn hydraulically locked steering cable will cause loss of steering controlpossibly resulting in serious injury or death Lubricate Point with light weight oil7Steering Link Rod Pivot PointsLubricate points