If you wish to conduct maintenance on your AJS Eco 125 then it will always be a good idea to have access to a Workshop Manual to use as a reference in the event you need to know techniques to take off a certain component including Clutch and fit it again in the correct way.
AJS Eco 125 Workshop Manuals provides particular diagnostic information on your car or truck so if something is broken it will help you determine what the issue is and tips to repair it. You can then evaluate if this can be done yourself or in case the job is just too big you can make a reservation for your Eco 125 in with a nearby repair garage.
AJS Eco 125 manual