If you need to do maintenance tasks for your Honda NSR 125 then it is usually a great idea to possess a Workshop Manual to use as reference should you want to know how you can take out a specific component for example, the Clutch and fit it again accordingly.
Honda NSR 125 Workshop Manuals will provide you with specific diagnostic details on your automobile therefore if something is not working it will help you figure out what the issue is and some ways to resolve it. Then you are able to evaluate if this can be achieved yourself or if ever the job is just too big you can actually book your NSR 125 in with a local garage.
Honda NSR 125 manual