If you wish to conduct repairs on your UM V2S 250 then it will always be a good idea to have a Workshop Manual to use as a reference in the event that you want to know the right way to take off a particular component much like the Wheel and fit it again adequately.
UM V2S 250 Workshop Manuals can offer you special diagnostic wisdom for the automobile therefore if something is broken it will help you identify what the problem is and the best way to resolve it. Then you are able to determine if you can do this by yourself or if the job is too big you can actually book your V2S 250 into a suitable repair garage.
UM V2S 250 manual