If you choose to do maintenance tasks on your own Suzuki GS 450 S then it is always recommended to possess a Workshop Manual for reference in case you need to know how to take off a certain part for instance the Wheel Bearing and fit it again appropriately.
Suzuki GS 450 S Workshop Manuals can provide targeted diagnostic wisdom with regards to your vehicle so if something is faulty it helps you discover what the problem is and easy methods to resolve it. You can then determine if this can be done on your own or that the job is too big you are able to book your GS 450 S right into a nearby mechanic.
Suzuki GS 450 S manual