If you choose to do maintenance tasks on your KTM 450 SMC USA then it will always be a good plan to possess a Workshop Manual to keep just for personal reference if perhaps you want to know methods to remove a certain part for instance the Wheel Bearing and install it again efficiently.
KTM 450 SMC USA Workshop Manuals will provide you with exact diagnostic details for the automobile so if something is not working it can help you understand what the problem is and how you can resolve it. You will be able to decide if this can be done yourself or if ever the job is simply too big you can actually make a reservation for your 450 SMC USA in to a suitable mechanic.
KTM 450 SMC USA manual