If you choose to perform maintenance tasks for your Tank Sports Vision 250 R3 then it is usually recommended to possess a Workshop Manual for reference if you need to know the best way to take out a particular part for instance the Brake Discs and install it again in the right way.
Tank Sports Vision 250 R3 Workshop Manuals can offer you special diagnostic wisdom for your car so if something is not working it can help you work out what the problem is and ways to fix it. You can then assess if this can be achieved by yourself or if the job is just too big you could make a reservation for your Vision 250 R3 in with a nearby repair garage.
Tank Sports Vision 250 R3 manual