If you wish to carry out fixes on your Sherco ST 125 then it will always be recommended to own a Workshop Manual to keep just for a reference in case that you want to know how to remove a particular component for example the Wheel Bearing and fit it again appropriately.
Sherco ST 125 Workshop Manuals offers clear identifiable diagnostic facts for your car therefore if something is faulty it helps you ascertain what the issue is and the way to resolve it. You can then evaluate if this can be done yourself or that the job is too big it is possible to make a reservation for your ST 125 in with a nearby mechanic.
Sherco ST 125 manual