If you need to do maintenance for your Suzuki GSX 550 EF then it will always be a good idea to own a Workshop Manual to use as reference should you need to know methods to remove a certain component much like the Gearbox and match it again accordingly.
Suzuki GSX 550 EF Workshop Manuals will give distinct diagnostic information on your car or truck therefore if something is broken it helps you discover what the situation is and the way to repair it. You will be able to assess if this can be done on your own or in case the job is just too big you can actually make a reservation for your GSX 550 EF in with a nearby friendly mechanic.
Suzuki GSX 550 EF manual