If you want to accomplish fixes on your own PGO My BuBu 125 then it is usually a great idea to possess a Workshop Manual to use as a reference in the event you need to know the best way to remove a specific part for example, the Clutch and fit it again properly.
PGO My BuBu 125 Workshop Manuals will provide you with certain diagnostic guidelines for your vehicle therefore if something is playing up it will help you work out what the situation is and methods to fix it. You can then analyse if this can be achieved on your own or in case the job is just too big you can make a reservation for your My BuBu 125 in with a suitable repair garage.
PGO My BuBu 125 manual