Consensus among motorcyclists is that the 205 mph reported speed was bogus, high yes, but the bike in that episode could not do 205. Rider plead to something lesser. If he had contested it, the airborne means in us for the determination of speed would have been shown to be invalid and lots of other tickets would have been tossed out.
I don't believe an unmodified bike will do 170 on a dynometer or even a test track, let alone heavy traffic on the interstate.
205 takes at least 77 percent more energy than 170, on the same motorcycle (205 squared divided by 170 squared)
The bike was probably heavily modified.