If you have to execute repairs for your Fantic TX 150 Caballero then it is usually recommended to have access to a Workshop Manual to use as reference should you need to know ways to take off a certain part for example the Clutch and install it again properly.
Fantic TX 150 Caballero Workshop Manuals are able to offer specific diagnostic guides for the vehicle therefore if something is faulty it can help you find out what the issue is and tips on how to repair it. After that you can assess if this can be done yourself or if ever the job is just too big you can still book your TX 150 Caballero into a nearby mechanic.
Fantic TX 150 Caballero manual