Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 142Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 142

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Problem: Engine Runs Too Lean Possible Cause Carburetor is looseAir leaks past mixing chamber coverFuel level is too lowClogged high speed jetRestricted fuel flow to carburetorIncorrect high speed jet

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