If you need to undertake repairs for your Suzuki DR 125SM then it will always be recommended to possess a Workshop Manual to keep just for reference in case you need to know tips to strip off a particular component for example, the Door and fit it again the right way.
Suzuki DR 125SM Workshop Manuals offer you specified diagnostic wisdom on your vehicle therefore if something is wrong it can help you work out what the issue is and methods to correct it. After that you can decide if this can be achieved yourself or that the job is too big you could make a reservation for your DR 125SM right into a decent car garage.
Suzuki DR 125SM manual