2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 387Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 387

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CYLINDER BLOCKCRANKCASE
The original connecting rod screws are to be used for measurement and adjustment of the oil clearance onlyDo not use the original connecting rod screws for reassembly of