Join Date: Jul 2008
Location: Jacksonville, Fl
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You say your boat's been out of the water a while on the hard. I can't speak for your Benneteau (sp?), but I know that some power boats, notably the Oceans yachts, flex around quite a bit when they're on the hard. When this happens, the shaft, couplers, struts and everything else get out of alignment.
At the Merrill-Stevens yard and at Glastech down in Miami, they'd put the Oceans back in the water and let them just sit there with the normal wave activity moving them around for at least a day before they even fired the engines up to move the boat around.
The same may be true of your boat. You may have to put her back in, let her sit and get the hull back into the correct shape before things realign themselves.
Barring that, before you turn the yard loose to align things, ask around, because aligning the drive system on a boat is more art than science. Some people are very good at it, and some people will make things worse. If I were going to have a shaft aligned in Miami, I'd try to get the boat to Glastech. They've got a guy who is a genuine wizard at it, using nothing but a piece of string and his own eyes.