If you wish to conduct adjustments to your Gilera Nexus 300 then it is always recommended to have a Workshop Manual to use as a guide in the event you want to know easy methods to remove a certain part much like the Brake Discs and match it again correctly.
Gilera Nexus 300 Workshop Manuals can provide detailed diagnostic guides for your vehicle therefore if something is playing up it will help you discover what the situation is and the way to resolve it. After that you can assess if this can be achieved yourself or that the job is simply too big you are able to make a booking for your Nexus 300 into a suitable repair garage.
Gilera Nexus 300 manual