And German durabilityfalco said:Durability Reliability goes hands down to aprilia. Rotax rotax rotax. I have not read a case of the valves being out of spec yet. I've got 10,000 on mine it was checked at 9,000. Read of people going over 50,000 without ever getting adjusted. Its a German(Austrian) masterpiece. The general industry thoughts are, italian design with japanese reliability.
The Duc, well its a sexy machine, but you hear the same story from everyone about maintenace.