It’s expected to be around 800cc but will be called the Duke 890, in line with the rest of the range. Where the 1290 is a V-twin and the smaller Dukes are singles, this new one is a parallel-twin. Behind the section of exhaust pipe you can see is a second one exiting the right-hand cylinder.
Like the other models in the range, it's got a steel trellis frame, although it's mostly obscured by bodywork and rider in this shot. The swing-arm is double-sided in common with the smaller Dukes, where the 1290's is single-sided.
Styling is closest to the 690 variant, with a similar headlight unit, which is less angular and aggressive-looking than the 1290's.
It's the second secret KTM to be revealed on Visordown today, along with an updated 1190 Adventure.
Both were spotted being tested in Spain.