Hi,
My 2005 FZ6N has a throttle limiter attached to it. The haynes manual appears to show that it might be straightforward to remove, but as yet I have not plucked up the courage to try it myself. The restrictor kit is an "Alpha Technik RJ07" but a quick google search did not turn up anything useful.
Good luck with it and if you do manage, I would be very interested to know how you got on - my dealer wants over £100 to remove it...
Cheers,
Gogs