1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 610Get this manual
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REASSEMBLY 1' dIe bearin is no longer required in upper gearIf old unit was quipped with this bearing, it can be rem d2 Pl ace nd spacer (s) on uppe gear in foll owing order: Lar!!c washer wi th chamf