My 53 plate DE with 104 thousand on the clock uses a bit of oil, probably only about 200ml every 5000 miles.the engine runs faultlessly and sounds sweet as a nut. I'm not worried about it in the slightest.
http://www.ebay.co.uk/itm/251412755792?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_sacat%3D0%26_from%3DR40%26_nkw%3D251412755792%26_rdc%3D1
There you go