At first I believed the plastic washer was melted aswell.. but when pressure testing the cooling system.. its air tight when applying a piece of tape over the 2 hole shown above.
Hi.. i have a mercury 9.8 and i changed the impeller and i know for a fact it pumps water.. because when i turn the engine over with a drill with the spark plugs removed water is seen from the tale.. but when engine is running i get fumes and very little water.
After testing to make sure there...