This prototype is the new 70bhp KTM Duke 690. It was spotted being filled up with fuel yards from the KTM factory in Mattighofen, Austria, by an eagle-eyed Austrian KTM owner who took pictures and video on his mobile phone.
The bike is clearly a prototype machine and was in fairly shabby, test-hack shape with matt black paint, mis-matched wheels and an Austrian numberplate reserved for test and development bikes.
It's clear this is an almost completely new bike and follows the recently launched KTM Duke 125 which MCN rode two weeks ago.
Read more about the new KTM Duke 690 in this weeks copy of MCN - out now.