If you want to undertake maintenance on your own Suzuki GSX 750 EF then it is usually a great idea to have a Workshop Manual for reference if you want to know the best ways to remove a certain part for example the Door and install it again adequately.
Suzuki GSX 750 EF Workshop Manuals can offer you identifiable diagnostic guides on your vehicle therefore if something is wrong it will help you ascertain what the situation is and the way to fix it. You will be able to determine if this can be done yourself or that the job is simply too big it is possible to make a reservation for your GSX 750 EF in with a local mechanic.
Suzuki GSX 750 EF manual