1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 710Get this manual
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Figure 11 Loosening Bearing Nut
12 Using Bearing Nut
(C-9163620) and Drive Shaft Socket (C-91.u3621), loosen upp er drive shaft earin nuL (Figure 11) Tum driv haft clockwise to loos