If you want to carry out fixes to your Yamaha IT 250 then it will always be a good plan to have a Workshop Manual for personal reference in the event that you need to know proven methods to remove a specific component much like the Brake Pads and match it again in the right way.
Yamaha IT 250 Workshop Manuals gives you identifiable diagnostic guidelines with regards to your car so if something is broken it can help you determine what the issue is and how to resolve it. Then you are able to analyse if this can be done on your own or if ever the job is too big you can actually make a reservation for your IT 250 in to a nearby car garage.
Yamaha IT 250 manual