Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 252Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 252

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CYLINDER BLOCKCRANKCASE

4-Stroke Outboard Oil (92-828000A 12)

aOil Ring SpacerBoHom RailTop RailSecond Compression Ring (''T'' side up) Top Compression Ring ("T' side up)''T'