If you want to execute fixes for your Yamaha XC 125 TR Cygnus R then it is usually a good idea to have a Workshop Manual to keep just for reference if you need to know tips to take off a particular part much like the Clutch and match it again effectively.
Yamaha XC 125 TR Cygnus R Workshop Manuals provide you with precise diagnostic wisdom with regards to your car so if something is wrong it helps you identify what the issue is and easy methods to repair it. Then you are able to evaluate if this can be achieved on your own or if the job is too big you could make a booking for your XC 125 TR Cygnus R into a nearby garage.
Yamaha XC 125 TR Cygnus R manual