If you want to undertake repairs on your own Bajaj Avenger then it is always a good plan to have access to a Workshop Manual for a reference should you need to know the best way to take off a specific part like the Wheel Bearing and match it again successfully.
Bajaj Avenger Workshop Manuals will give you unique diagnostic guides for your automobile so if something is playing up it helps you identify what the problem is and how to correct it. After that you can assess if this can be done by yourself or in case the job is simply too big you can actually book your Avenger in to a local mechanic.
Bajaj Avenger manual