9 quarts. I know this because I looked it up. I started mine draining out of the drain hose into my 7 quart pan. I went to bed and went out the next AM to complete the job. I found a huge puddle (2 quarts) of oil all over the concrete under the boat.
I was too pissed to take a picture, but most of you can imagine what 2 quarts of black motor oil looks like spread over level concrete.
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