If you wish to perform maintenance on your Gilera RC 600 C then it will always be a great idea to own a Workshop Manual for a reference if perhaps you need to know how to strip off a certain part for example Drive Shaft and match it again in the correct way.
Gilera RC 600 C Workshop Manuals provide you with special diagnostic guidelines with regards to your car therefore if something is wrong it helps you discover what the problem is and tips on how to correct it. You will be able to evaluate if this can be done by yourself or in case the job is just too big you are able to book your RC 600 C in with a local mechanic.
Gilera RC 600 C manual