Kawasaki has been working on the Ninja 400 for a while now with the bike close to production. The bike was spotted in July being filmed for a commercial in Milwaukee US. We expect the Ninja 400 to be showcased at the upcoming EICMA motorcycle show in November. The new bike is expected to replace the Ninja 300 and also bridge the performance deficit with the other key players in the segment: the KTM Duke 390 and the Yamaha YZF-R3. The Ninja 300 makes 39PS, which is less than the 44PS and 42PS power outputs of the KTM 390 Duke and Yamaha YZF-R3. The Ninja 400 is expected to make more power but stick under 47PS for it to comply with the A2 license requirements in Europe. The 400 is expected to come with a 399cc parallel twin motor to keep costs in check.