If you wish to do auto repairs on your Suzuki GSX 750 L then it is usually a good plan to have a Workshop Manual for a guide just in case you want to know proven methods to take out a specific part like the Door and install it again accordingly.
Suzuki GSX 750 L Workshop Manuals offers clear identifiable diagnostic details on your car or truck so if something is not working it can help you figure out what the situation is and tips to correct it. After that you can analyse if this can be achieved by yourself or in case the job is just too big you can actually book your GSX 750 L right into a trusted friendly mechanic.
Suzuki GSX 750 L manual