The New Ninja 250
For those who look to replace their stock turn signal bulbs once the time comes, Kawasaki lists the stock turn signal bulb (for the 250, 300, 400, 650) as 12v 10w, p/n 92069-0024, but does not list a U.S. bulb number (i.e 1157), that's because it is a European bulb.
RY10W or an Osram 5009...