Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 162Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 162

4Remove the connecting rod capMeasure the compressed plastigauge to check the connecting rod oil clearanceReplace bearings if oil clearance is not in specification Oil Pressure Switch
1Check continuity of switch

Connecting Rod Oil Clearance
0.00080.0020 in(0.0200.052 mm)

Oil Switch Switch Continuity Check
Below 2.25 PSI (15.5 kPa) Above 2.25 PSI (15.5 kPa) Continuity No Continuity

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