1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 523Get this manual
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MAIN and CONNECTING ROD BEARING INSERTS CLEANING Clea bea rin in se rts nd caps th oroughl in so lve nt and dry with compre ed ir 00 NOTrap gum or va rnidepo its from beari ng hell INSPECTION Inspect