If you have to conduct repairs on your Kawasaki ER 5 Twister then it is usually a good plan to own a Workshop Manual for a reference in case that you want to know tips on how to take off a particular part for example the Exhaust and install it again in the correct manner.
Kawasaki ER 5 Twister Workshop Manuals provide you with specified diagnostic info with regards to your car so if something is broken it helps you identify what the situation is and how to fix it. Then you are able to evaluate if you can do this on your own or if the job is just too big you can still make a reservation for your ER 5 Twister in with a trusted mechanic.
Kawasaki ER 5 Twister manual