Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 254Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 254

CYLINDER LOCKCRANKCASE
2Install upper and lower oil seal
3Lubricate crankshaft bearing su rfaces with engine oil4Install crankshaftNOTE: Install oil seal with manufacturers marksnumbers facing outwardApply oil to seals before installing

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