If you want to execute maintenance to your Piaggio X8 200 then it is usually a good idea to own a Workshop Manual to keep just for personal reference in case you need to know techniques to take out a particular component including Gearbox and match it again accordingly.
Piaggio X8 200 Workshop Manuals provides identifiable diagnostic wisdom with regards to your vehicle so if something is not working it will help you understand what the situation is and ways to resolve it. You can then determine if you can do this by yourself or if ever the job is simply too big you are able to make a reservation for your X8 200 in with a nearby friendly mechanic.
Piaggio X8 200 manual