Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 247Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 247

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CYLINDER BLOC KCRANKCASE

aMain Bearing Code Letters (A, B, or C)Main Beari ng Identification Color 2 Refer to the following reference chart to select the correct main bearings3 Use the co