2024 Ktm 990 Duke Top Speed. Ktm claims 394 lb for the 990 duke, ready to go. Ktm also increases both bore (92.5 mm) and stroke (70.4 mm).

Ktm claims 96 percent of the 990 duke is entirely new Like the 1390 review before, we’re going to jump straight into the riding impressions, as the technical details of the 990.