bravo 3 outdtive issues

Does anyone know what the gear ratio for a 2007 260da With a bravo 3 and 350 magnum is? Serial # Ow662359

Good afternoon, I am hopeful someone has an answer. I am looking at a 2005 Sea Ray Sundeck. It is powered by a Mercruiser 5.0/Bravo 3. The outdrive can be moved by hand side to side about an inch or so. Can anyone tell me if that sounds correct? I seem to remember reading some where that 1/4...