interval

Is the interval for oil change really 9,000 miles? My kids VW said that and it cost him $3500 in timing chain and cam replacement, there was a class action lawsuit because lots of cars had this problem. I believe it was due to too long between oil changes. We still waiting for the lawsuit to...

looking at buying a 2y/o 939, mate with a Diaval says his bike needs belts every 2 years, is the Hyperstrada the same ? and how much should I budget if it is 2 years ?