If you have to carry out repairs on your MZ SX 125 then it will always be a good idea to own a Workshop Manual to keep just for personal reference if you need to know how you can strip off a specific component for example Wheel and match it again accordingly.
MZ SX 125 Workshop Manuals will provide you with precise diagnostic guides on your vehicle therefore if something is wrong it will help you discover what the problem is and tips to fix it. You will be able to decide if you can do this by yourself or if ever the job is too big you are able to make a booking for your SX 125 in with a trusted garage.
MZ SX 125 manual