If you want to perform maintenance tasks on your KTM 450 EXC Racing then it is usually a good plan to have access to a Workshop Manual to keep just for a reference if you need to know tips to strip off a specific part such as the Wheel Bearing and fit it again perfectly.
KTM 450 EXC Racing Workshop Manuals offers you certain diagnostic guidelines for the car or truck therefore if something is playing up it will help you understand what the issue is and ways to fix it. You can then assess if this can be achieved yourself or if ever the job is simply too big you are able to make a booking for your 450 EXC Racing in to a trusted friendly mechanic.
KTM 450 EXC Racing manual