If you need to conduct repairs on your own Diamo Turista 300 then it is usually recommended to have access to a Workshop Manual to use as reference should you need to know proven methods to take out a specific component for instance the Wheel and install it again the right way.
Diamo Turista 300 Workshop Manuals will give specific diagnostic details for your vehicle so if something is not working it will help you work out what the situation is and how you can make it better. You will be able to evaluate if this can be achieved on your own or if the job is simply too big you can book your Turista 300 right into a suitable car garage.
Diamo Turista 300 manual