Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 264Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 264

LUBRICATION
2Disassemble Oil Pump
aCover SealOuter RotorInner RotorShaftCross Pin

Cleaning and Inspection
Oil Pump
1Check oil pump components for pitting, scratches, and for the following measurementsReplace oil pump if worn or out of specification2Using feeler gauge, measure the following oil pump clearances:

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