Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 725Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 725

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SEAWATER COOLED MODELS
Seacock (with Thru-Hull Pickup Shown)Hose Connector 1-14 in(32 mm) I.DTo Seawater Pump InletSeacock 1-14 in(32 mm) Brass Ball Or Gate ValveSeawater PickupDirection Of Seaw