If you want to execute maintenance tasks on your Enfield 350 Bullet Classic then it is always a good plan to have access to a Workshop Manual to use as reference in case that you need to know methods to strip off a specific component for example, the Brake Pads and match it again properly.
Enfield 350 Bullet Classic Workshop Manuals are able to offer detailed diagnostic details for your vehicle therefore if something is faulty it will help you figure out what the issue is and methods to resolve it. Then you are able to assess if this can be achieved by yourself or that the job is simply too big you could make a booking for your 350 Bullet Classic in to a decent garage.
Enfield 350 Bullet Classic manual