Oct 20, 2013MY 08 ninja would not start. one of the dyods had blown. Kawasaki Ninja 250R Wiring Diagram Collection Kawasaki Ninja 250R Wiring Diagram from i0. Print the wiring diagram off in addition to use highlighters to be able to trace the circuit. When you use your finger or perhaps follow the circuit together with your eyes, it’s easy to mistrace the circuit. 1 trick that I actually use is to print a similar wiring picture off twice.