If you have to perform auto repairs on your Triumph Bonneville SE then it will always be a good plan to have access to a Workshop Manual for a guide if perhaps you want to know the right way to take off a particular part for example Wheel and match it again the right way.
Triumph Bonneville SE Workshop Manuals are able to offer detailed diagnostic facts for the automobile so if something is broken it can help you understand what the situation is and the best way to resolve it. After that you can analyse if this can be done by yourself or in case the job is too big you can actually book your Bonneville SE in with a suitable garage.
Triumph Bonneville SE manual