One thing you have to be careful about is they come in different sizes.  A , B, C, or D. Here's a link to the page that will let you know what's what....   
http://www.mtcvoyager.com/kits-available/   
So even if you find one for sale, it has to be the right size, and most for sale came off a Harley..  Both the 1st and 2ndGen take the 'B' kit.   
I'd call Voyager tech to make sure the mounting kits are the same...