5.7 L Indmar 340HP, hasn't been de-winterized in 2 seasons per the ad. It looks to be in great shape but I have heard that if hours are very low there could be issues with maybe the rings? Is it something a seasoned boat mechanic could check out for me for a couple hundred bucks before I purchase to ensure it's a solid machine? It's very close to me so it's something that I could check out in person as well as take it to the mechanic of my choice. Thanks
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