Selling an engine that was in Sandy

[Striper80]

I've got a 96 Johnson 130hp engine that was on my Striper. During Sandy my boat was in AHMM, on land, and was partially submerged. My boat was smashed up against a concrete filled steel pole repeatedly. The cowling on the outboard was smashed, the starter was damaged,and some water got on the outside of the power head. I pulled the plugs and no water got in. I pulled the carbs and they were clean. I replaced the starter and she fired right up. Since then it's been sitting in my garage waiting to get a true test. I bought a boat that had a supposed bad engine but it turned out to be an electrical issue and my new boat has a 200 on it so I've got this one that has no home. My question is, what more can I do to make sure I can sell this engine in good conscience?