Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 122Get this manual

Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 122

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5) Inspection of Water Pump 1 Check upper pump case (upper) for deformationReplace if necessaryCheck impeller and pump case liner for cracks and wearReplace if necessaryCheck key and drive shaft insta