If you need to conduct maintenance tasks to your Suzuki GS 450 L then it is usually recommended to have access to a Workshop Manual for a reference in case you want to know methods to remove a certain component including Drive Shaft and match it again accordingly.
Suzuki GS 450 L Workshop Manuals offers you special diagnostic guidelines for your car so if something is not working it helps you identify what the problem is and how to repair it. After that you can evaluate if you can do this yourself or in the event the job is just too big you can make a reservation for your GS 450 L in to a local mechanic.
Suzuki GS 450 L manual