1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 520Get this manual

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!NST AL:" S1:A Yi i7 rl LI? FRONT OF ENGiNE
VIEW LOOKING AT PARTING FACE OF SPLITUPTYPE CRANKSHAFT SEAL

Figure 6 Install ing Crankshaft Rear Seal

ENGINE50-23

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