Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 155Get this manual

Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 155

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Crankshaft 1 Thoroughly clean crankshaft and inspect bearing surfacesReplace crankshaft in bearing surfaces are pitted, scored, or discolored2 Measure crankshaft main bearing journals, connecting rod

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