Geoff, unless your shock is as new and you weigh the same as a 1990's Italian, it wont be right. While stock is somewhere to start, for 5 mins more you can get something far better IMHO
Have a look here
http://www.ducatisportingclub.com/sh...ad.php?t=78883 And here at he related links to this guys work
http://www.youtube.com/watch?v=8iP7lGhRjPE