If you choose to do fixes for your KTM 450 SMC USA then it will always be a great idea to own a Workshop Manual to use as personal reference in case you need to know how you can strip off a specific component including Exhaust and install it again efficiently.
KTM 450 SMC USA Workshop Manuals provide you with unique diagnostic guides on your car or truck therefore if something is faulty it helps you understand what the issue is and how to fix it. You can then analyse if this can be achieved by yourself or that the job is just too big you can make a booking for your 450 SMC USA right into a local mechanic.
KTM 450 SMC USA manual