If you wish to execute maintenance tasks for your Kawasaki ER 5 then it will always be recommended to have a Workshop Manual to keep just for reference if perhaps you need to know methods to remove a specific component for instance the Wheel and fit it again properly.
Kawasaki ER 5 Workshop Manuals offer you distinct diagnostic info for the automobile therefore if something is faulty it can help you figure out what the issue is and the way to fix it. You can then analyse if this can be achieved by yourself or in case the job is simply too big you can still make a reservation for your ER 5 in to a decent car garage.
Kawasaki ER 5 manual