If you have to conduct auto repairs on your Honda NSR 50 R then it is always a great idea to possess a Workshop Manual to keep just for a reference in case you need to know easy methods to strip off a particular part for example Brake Pads and match it again appropriately.
Honda NSR 50 R Workshop Manuals can offer you particular diagnostic info on your vehicle therefore if something is not working it will help you ascertain what the issue is and ways to fix it. You can then analyse if this can be achieved yourself or if the job is just too big you can still make a booking for your NSR 50 R in to a trusted mechanic.
Honda NSR 50 R manual