If you want to undertake maintenance tasks to your Kawasaki Z 400 G then it is always a good plan to own a Workshop Manual to keep just for reference should you want to know ways to take off a certain component such as the Exhaust and install it again accurately.
Kawasaki Z 400 G Workshop Manuals can provide distinct diagnostic wisdom for your car or truck therefore if something is wrong it will help you work out what the problem is and the way to correct it. After that you can decide if you can do this yourself or in the event the job is just too big you could book your Z 400 G into a local friendly mechanic.
Kawasaki Z 400 G manual