KTM launches 2026 390 DUKE motorcycle in Japan with new WP brake system

KTM Japan announced that the 2026 model of its naked 390 DUKE will go on sale in July 2026 at a manufacturer‑suggested retail price of ¥829,000, offered in black and blue. The bike features KTM’s in‑house WP brake system – a 320 mm front disc with a new four‑piston radial‑mount caliper and a 240 mm rear disc with a single‑piston caliper – and a 5‑inch full‑colour TFT display with three ride modes (STREET, RAIN, TRACK).

The powertrain is a 398.7 cc water‑cooled DOHC single‑cylinder engine delivering 33 kW (45 PS) at 8,500 rpm and 39 Nm of torque at 7,000 rpm, paired with a six‑speed gearbox. Other specs include a seat height of 820 mm, 165 kg wet weight, a 15‑litre fuel tank, and a steel‑trellis main frame combined with an aluminium‑die‑cast sub‑frame. Production is in India and the model comes with up to four years of premium warranty, subject to conditions.