I can't figure a way to search for older topics since "oil" is below forum search minimum chars filter... so:

How much oil does your tenere eat, at what mileage and in what conditions?

I'm running at 500ml - 1000ml / 1000km depending on riding style and load at 30k km... dunno if good or bad - mechanic that opened the motor about 1 month ago ensured me that everything is fine inside and according to service manual specs...