ES! sold my duke for the same resone mate! put just over15000 miles on it in 14 months! 
  since JHP rebuilt the engine! 
 3000 miles in a week! cant fault the bike mate but the running costs made my accountant CRINDGE

 got my new bike 2 weeks ago and already got 1000 miles on it!  
 must be summat wrong with me ! BEEP BEEP! lol