If you want to accomplish maintenance for your Lifan Smart 125 then it will always be a good plan to possess a Workshop Manual to use as a reference in the event that you need to know simple methods to remove a certain component much like the Brake Pads and match it again successfully.
Lifan Smart 125 Workshop Manuals gives you specific diagnostic information on your car so if something is faulty it will help you discover what the problem is and the way to correct it. Then you are able to decide if this can be achieved yourself or if the job is simply too big you could book your Smart 125 in to a local mechanic.
Lifan Smart 125 manual