If you need to perform maintenance tasks to your Piaggio Carnaby 125 then it is always a good plan to have a Workshop Manual to keep just for personal reference in the event you need to know tips on how to strip off a certain part much like the Wheel and fit it again properly.
Piaggio Carnaby 125 Workshop Manuals provides special diagnostic guides with regards to your vehicle therefore if something is not working it can help you figure out what the situation is and ways to correct it. You will be able to assess if you can do this by yourself or in case the job is too big you can actually make a reservation for your Carnaby 125 in to a local repair garage.
Piaggio Carnaby 125 manual