Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 601Get this manual

Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 601

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1.5 Liter OptiMax Water Flow Diagram 1 Water outlet 2 Water inlet 3 Water pump 4 Wall of water If water level height is insufficient, water pump may draw in air resulting in an overheated engine 5 Wat