If you have to undertake maintenance tasks on your Suzuki GSX 750 ES then it is always recommended to have access to a Workshop Manual to use as reference in case that you need to know easy methods to take off a specific part for instance the Gearbox and fit it again adequately.
Suzuki GSX 750 ES Workshop Manuals offers you identifiable diagnostic guides on your car therefore if something is wrong it helps you discover what the situation is and how to resolve it. Then you are able to assess if this can be done on your own or that the job is too big it is possible to make a booking for your GSX 750 ES right into a suitable garage.
Suzuki GSX 750 ES manual