If you need to execute adjustments on your Kawasaki Z 400 G then it is always recommended to have a Workshop Manual for reference in the event that you need to know tips on how to remove a specific component such as the Gearbox and match it again in the correct manner.
Kawasaki Z 400 G Workshop Manuals provide you with specific diagnostic facts for your vehicle therefore if something is broken it can help you discover what the problem is and easy methods to fix it. You can then evaluate if this can be achieved on your own or if ever the job is simply too big you could book your Z 400 G in to a local repair garage.
Kawasaki Z 400 G manual