If you have to execute adjustments for your Giantco Royale II 125 then it is always a great idea to own a Workshop Manual for reference in the event you want to know tips to take off a particular component including Drive Shaft and install it again safely.
Giantco Royale II 125 Workshop Manuals gives you specific diagnostic facts for the car so if something is not working it helps you understand what the problem is and how to correct it. You will be able to decide if this can be done on your own or if the job is simply too big you can actually make a reservation for your Royale II 125 in to a local garage.
Giantco Royale II 125 manual