If you want to do fixes to your Derbi Senda Supermotard then it will always be a great idea to possess a Workshop Manual to use as a reference just in case you need to know proven methods to remove a specific part including Exhaust and install it again the right way.
Derbi Senda Supermotard Workshop Manuals provides detailed diagnostic wisdom for the automobile so if something is playing up it helps you understand what the issue is and some ways to make it better. You will be able to assess if you can do this on your own or in the event the job is simply too big you are able to make a reservation for your Senda Supermotard right into a nearby repair garage.
Derbi Senda Supermotard manual