Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 135Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 135

Cleaning and Inspection Oil Pump
1Check oil pump components for pitting,
scratches, and for the following measurementsReplace oil pump if worn or out of specification
Rocker Shaft and Rocker Arm
3Check rocker arm for pitting (a)clogging (b), or wear (e) replace if necessaryMeasure rocker shaft outside diameter (d) and rocker arm inside diameter (e)replace if out of specification55804

2Usi ng feeler gauge, measure the following oil pump clearances:

Back to Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997