this model has a plate on the very back of the variator that stops the variator from closing all the way just unbolt the plate on the back 3x 7mm bolts and take the restrictor plate out and then bolt the other plate back on .there is also a disruptor pipe welded to the exhasut cut it off and weld over the hole with a washer .
adam bike doctor(of milton keynes motorcycle centre)
July 2011
if still restricted.then on the front pully (variator)in the middle where the drive belt sits.is a wide washer. remove this.it is the restrictor.