1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 422Get this manual
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CRANKSHAFT C nks ha ft l:3 be remo'ed while ngine is se mbled for overh ul or "' ithnut L'om ple te di asse mbly
1 Wash crankshaft in solvent and dry with compressed air2 Ieasure dimensions of m