Not sure because the Versys has a different swing arm then the 650 & ER-6N but the fitting must be the same. They share so many of the same parts. To be honest I didn't really study how the shock looked as it was already installed. I will again once I take delivery. Here's a 10,000km review of one of the first guys to do it. http://www.kawasakiversys.com/forums/showthread.php?t=14063&highlight=R1+shock
It's disturbing that I can now spot a Verticalscope forum in the first 5 seconds.
I wasn't willing to mess around with off-model shocks, given that the bike doesn't have a linkage. I just went straight for an aftermarket unit, that was made for the bike.