If you have to perform fixes on your Diamo Storm 300 then it is always recommended to have a Workshop Manual to keep just for a reference in case you want to know the best way to remove a certain component for example the Brake Discs and fit it again successfully.
Diamo Storm 300 Workshop Manuals can offer you precise diagnostic guides for the automobile so if something is not working it helps you identify what the situation is and easy methods to correct it. After that you can evaluate if you can do this on your own or if ever the job is simply too big you can actually make a booking for your Storm 300 right into a trusted repair garage.
Diamo Storm 300 manual