If you need to perform adjustments on your Hartford HD 125L then it is usually a good idea to own a Workshop Manual to use as reference in case that you need to know the best way to remove a specific component such as the Clutch and fit it again in the right way.
Hartford HD 125L Workshop Manuals are able to offer precise diagnostic details for the car or truck therefore if something is not working it will help you understand what the situation is and the way to fix it. You will be able to analyse if this can be achieved yourself or in the event the job is simply too big you could make a reservation for your HD 125L in to a suitable repair garage.
Hartford HD 125L manual