If you want to carry out fixes for your KTM 640 LC4 Adventure R then it will always be a good idea to have access to a Workshop Manual for a guide just in case you need to know ways to take off a certain part including Wheel Bearing and match it again in the correct manner.
KTM 640 LC4 Adventure R Workshop Manuals offers you specified diagnostic information with regards to your car or truck so if something is not working it helps you ascertain what the problem is and some ways to correct it. After that you can analyse if this can be achieved yourself or that the job is too big you are able to make a reservation for your 640 LC4 Adventure R in with a suitable mechanic.
KTM 640 LC4 Adventure R manual