Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 746Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 746

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SERVICE MANUAL NUMBER 24
NOTE: Certain components in the following diagram may look different than on your particular power package, but the water flow paths remain similar on all engines1