If you wish to do auto repairs for your Harley Davidson FXSTD Softail Deuce then it will always be a great idea to own a Workshop Manual to keep just for a reference if perhaps you need to know the best way to remove a particular part much like the Clutch and fit it again accurately.
Harley Davidson FXSTD Softail Deuce Workshop Manuals provide you with particular diagnostic information on your car so if something is playing up it helps you determine what the issue is and how to fix it. You will be able to analyse if this can be done on your own or in case the job is just too big you can actually book your FXSTD Softail Deuce in to a decent repair garage.
Harley Davidson FXSTD Softail Deuce manual