Originally Posted by ArmyJoe
Yes, it was. It has the same V-twin 990cc Rotax engine (detuned) that was also in the Aprilia V1000 sport bike. That engine really likes high RPMs and I swear it seems to get smoother the faster it goes.
From what I heard, the guy who developed that motor left and designed the KTM 950/990 motor which has the same characteristics you mention.