If you choose to perform adjustments on your Gilera XRT 600 then it is usually a great idea to have access to a Workshop Manual to use as a reference if you need to know proven methods to strip off a particular component such as the Clutch and install it again perfectly.
Gilera XRT 600 Workshop Manuals provides identifiable diagnostic guides for your car or truck so if something is playing up it can help you work out what the problem is and the way to fix it. You can then decide if you can do this yourself or that the job is too big you can make a booking for your XRT 600 into a decent garage.
Gilera XRT 600 manual