Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 238Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 238

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CYLINDER BLOCKCRANKCASE
NOTE: Disassemble each piston separately, make sure components are not mixed
1 Remove piston pin clip and piston pin Separate connecting rod from piston