If you choose to undertake repairs to your KTM 990 Supermoto T then it is always a great idea to own a Workshop Manual to use as a guide if you want to know techniques to take off a certain part for example, the Clutch and match it again in the correct way.
KTM 990 Supermoto T Workshop Manuals are able to offer special diagnostic information on your vehicle so if something is broken it helps you find out what the issue is and how you can fix it. After that you can evaluate if you can do this on your own or if the job is simply too big you can still book your 990 Supermoto T in with a decent friendly mechanic.
KTM 990 Supermoto T manual