If you want to execute adjustments for your Bultaco Metralla 250 GT then it will always be a good plan to have a Workshop Manual to keep just for a guide if you want to know proven methods to take off a certain part for example the Brake Discs and fit it again correctly.
Bultaco Metralla 250 GT Workshop Manuals offer you exact diagnostic guidelines with regards to your vehicle therefore if something is broken it helps you work out what the issue is and how to fix it. Then you are able to analyse if this can be achieved yourself or if ever the job is just too big it is possible to make a booking for your Metralla 250 GT right into a local repair garage.
Bultaco Metralla 250 GT manual