Erik Buell patented the isoplanar engine mounting system - it takes some effort (whether it's "full blown" or not is relative) to obtain a patent; it...
If I had to redesign the isolator I'd have to model the entire frame like Buell did and run it through Cosmos or whatever CAD simulation software was...
Aside from the fact that the '09-'10 forks are black, I see that there are slightly different fluid level specifications for what I believe are still...