If you wish to do maintenance on your GAS GAS EC 125 Six Days then it is usually recommended to have access to a Workshop Manual to keep just for personal reference in case that you need to know easy methods to take out a particular part for example, the Brake Discs and match it again adequately.
GAS GAS EC 125 Six Days Workshop Manuals are able to offer targeted diagnostic info with regards to your vehicle so if something is wrong it can help you figure out what the problem is and how you can repair it. You will be able to analyse if this can be done by yourself or in the event the job is too big you can still book your EC 125 Six Days in to a decent car garage.
GAS GAS EC 125 Six Days manual