Re: my starter wines
Wow...this post was freaky...the *exact* same thing happened to me a couple of weeks ago. Volvo Penta, starter about 2 months old, was working fine, out fishing, went to go home at the end of the night, and just a whining sound.
In my case, the small pinion gear in the starter wasn't moving forward to engage the starter. It sounded to me like the new starter simply broke - although you will want to rule out electrical issues too (low voltage from battery, and clean cables/connections throughout). My starter was still under the manufacturer's 1-year warranty, so I sent it back for a new one. I am still waiting for the new one to come in.
Was your starter a Sierra by any chance? Mine was...I'm hoping I just got a bad one and have better luck with the replacement when it arrives. Their customer service was good...I spoke to a technician who said not to bother trying to fix it, and to just send it back. You could try making sure the bendex shaft is free of debris, and try spraying it with WD-40 or something....but even that is debatable. My guess is you will end up sending/taking it back.
Here is my original post from 2 weeks ago which is almost identical to yours - folks had some good info on it:
http://forums.iboats.com/showthread.php?t=350124
Good luck!