If you choose to conduct auto repairs on your MZ SM Gangsta then it is usually recommended to have access to a Workshop Manual to use as a guide in case you want to know easy methods to strip off a certain part for instance the Drive Shaft and fit it again accordingly.
MZ SM Gangsta Workshop Manuals will give special diagnostic wisdom for the car therefore if something is broken it will help you find out what the issue is and tips on how to fix it. After that you can decide if this can be done on your own or in case the job is too big it is possible to make a booking for your SM Gangsta in to a suitable mechanic.
MZ SM Gangsta manual