rib check
Try and hear the engine running with a water supply, engine should start easily, no strange noises or vibrations, best to bring an outboard mechanic as this is an expensive piece of kit, secondly Tubes or sponsons.I don't like the closeup pic but replacement tubes average 1k per metre. are they holding air,is the seller honest, thirdly gel coat and general hull condition .In short it will pay dividends to bring a marine surveyor to view . there could be a multitude of hidden problems. From experience I have missed some costly repair items in my haste to purchase .
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