If you wish to carry out maintenance tasks to your Diamo RS250 then it is usually a great idea to have a Workshop Manual to use as personal reference just in case you want to know tips to take off a certain part much like the Wheel and fit it again efficiently.
Diamo RS250 Workshop Manuals can provide specific diagnostic details for your vehicle therefore if something is broken it will help you figure out what the problem is and ways to resolve it. Then you are able to decide if this can be done on your own or that the job is just too big you could make a booking for your RS250 into a decent car garage.
Diamo RS250 manual