If you want to execute fixes to your Piaggio X7 250 then it is always recommended to own a Workshop Manual for personal reference should you need to know tips on how to take out a specific part like the Brake Discs and match it again adequately.
Piaggio X7 250 Workshop Manuals are able to offer certain diagnostic wisdom with regards to your car therefore if something is wrong it will help you understand what the situation is and some ways to make it better. You can then decide if you can do this by yourself or in case the job is just too big it is possible to make a booking for your X7 250 right into a trusted friendly mechanic.
Piaggio X7 250 manual