If you need to undertake maintenance to your Buell 1125R then it is always a good idea to have access to a Workshop Manual to use as personal reference just in case you need to know how to take out a particular part for instance the Dashboard and fit it again correctly.
Buell 1125R Workshop Manuals will give particular diagnostic wisdom for your car or truck so if something is playing up it can help you find out what the problem is and easy methods to correct it. After that you can decide if this can be achieved yourself or if the job is too big you can still book your 1125R in to a local garage.
Buell 1125R manual