If you wish to undertake adjustments on your own KTM 640 Duke then it is always a great idea to own a Workshop Manual to keep just for reference in case you need to know how you can remove a particular part including Brake Discs and fit it again properly.
KTM 640 Duke Workshop Manuals will give specified diagnostic facts with regards to your automobile so if something is broken it can help you identify what the problem is and how you can correct it. Then you are able to evaluate if you can do this yourself or that the job is simply too big it is possible to make a booking for your 640 Duke in to a suitable garage.
KTM 640 Duke manual