If you have to do maintenance tasks for your Suzuki RG 500 Gamma then it is usually recommended to have access to a Workshop Manual to use as a reference just in case you want to know tips to strip off a certain part for instance the Brake Discs and install it again perfectly.
Suzuki RG 500 Gamma Workshop Manuals can offer you detailed diagnostic guides for your car so if something is faulty it can help you identify what the problem is and methods to repair it. You can then determine if you can do this on your own or if ever the job is just too big it is possible to make a booking for your RG 500 Gamma in to a decent mechanic.
Suzuki RG 500 Gamma manual