If you want to carry out fixes to your MuZ Kobra 850 then it is usually a good plan to own a Workshop Manual to keep just for a reference in the event you want to know tips to strip off a certain part like the Brake Discs and match it again effectively.
MuZ Kobra 850 Workshop Manuals will provide you with detailed diagnostic guidelines on your vehicle so if something is playing up it will help you find out what the problem is and how to fix it. After that you can analyse if this can be done yourself or in case the job is simply too big you can actually make a reservation for your Kobra 850 right into a trusted car garage.
MuZ Kobra 850 manual