2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 381Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 381

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CYLINDER BLOCKCRANKCASE
IMPORTANT: Do not interchange the main bearingsRe-install in their original position1 Clean all the old sealing material from the split line on the crankcase cover and cy