If you need to accomplish adjustments to your Tomos 125 SM then it will always be a good idea to have access to a Workshop Manual to keep just for personal reference in case you want to know the right way to strip off a particular component like the Door and match it again in the right way.
Tomos 125 SM Workshop Manuals will provide you with identifiable diagnostic wisdom for your car or truck so if something is playing up it can help you understand what the problem is and the way to make it better. You can then decide if this can be done yourself or that the job is too big you can make a reservation for your 125 SM right into a local garage.
Tomos 125 SM manual