After purchase I noticed it had a leak in the engine compartment. Not fast, but enough to bug me, and honestly I wasn't terribly concerned as old I/O boats are notorious for leaking (I've since learned that they should never leak. If they do, something is wrong, and your boat is sinking). I brought it in and had the typical bellows replacement work done and had the gimble bearing and u-joints replaced at the same time; that's just good maintenance, anyway. I put it back in the water, and nothing had changed - still leaked water into the bilge, and the more I used the boat, the worse the leak got. I knew the engine had to come out for further inspection.