If you choose to do adjustments on your own Kawasaki ZZR1400 ABS then it is always recommended to have access to a Workshop Manual to keep just for a reference if perhaps you need to know the best way to strip off a specific component for example, the Brake Pads and match it again safely.
Kawasaki ZZR1400 ABS Workshop Manuals offers you special diagnostic guidelines on your car therefore if something is faulty it can help you find out what the issue is and ways to make it better. After that you can decide if this can be done by yourself or in the event the job is too big you could book your ZZR1400 ABS in with a nearby car garage.
Kawasaki ZZR1400 ABS manual