Reflashing an ECU can have lots of benefits...
FZ8 and FZ1 guys get huge improvements from it. Even on stock bikes.
Guhl Motors - ECU Reflashing and More is one company, there is another that is used as well but cant recall off the top of my head.
No clue about the 6R though, but other bikes see many improvements.
Can't speak for CA emissions stuff either..
As far as I know nobody had successfully flashed the ECU on the 6r on US models unless I'm confusing it with something else.
If you can please share a link to a how to
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