If you have to undertake maintenance for your AJS YX R 125 then it is usually a good idea to have a Workshop Manual for a guide in case that you need to know ways to take out a certain component for example Brake Pads and install it again successfully.
AJS YX R 125 Workshop Manuals offers you certain diagnostic info for the vehicle therefore if something is playing up it will help you discover what the situation is and easy methods to correct it. After that you can decide if this can be achieved yourself or that the job is too big you are able to book your YX R 125 in to a nearby repair garage.
AJS YX R 125 manual