If you choose to do adjustments for your Kawasaki A7 Avenger then it will always be recommended to have a Workshop Manual for personal reference in case you need to know simple methods to remove a particular component much like the Wheel Bearing and install it again successfully.
Kawasaki A7 Avenger Workshop Manuals gives you detailed diagnostic guidelines for your car or truck so if something is wrong it helps you understand what the problem is and some ways to repair it. You can then evaluate if you can do this by yourself or in case the job is just too big you can still book your A7 Avenger right into a trusted garage.
Kawasaki A7 Avenger manual