Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 123Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 123

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Testing Install clear fuel hose(s) between fuel pump and carburetor(s)Run engine, and inspect hose(s) for air bubblesIf air bubbles are found, see "Air Bubbles in Fuel Line" If air bubbles are not fou