Mercury Mariner Models 135 150 175 200 Service Manual, Page 422Get this manual

Mercury Mariner Models 135 150 175 200 Service Manual, Page 422

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COOLING
aHubImpeller 4 Inspect the impeller blades to see if they are cracked, burnt, hard or deformedReplace the impeller if the blades are in this conditionIMPORTANT: The circular groove forme