If you have to conduct auto repairs on your own Suzuki GSX 1400 then it will always be a great idea to own a Workshop Manual to use as personal reference if perhaps you want to know proven methods to take off a specific component for example the Wheel Bearing and fit it again properly.
Suzuki GSX 1400 Workshop Manuals can provide exact diagnostic guides for the car therefore if something is playing up it can help you figure out what the problem is and some ways to resolve it. You will be able to assess if this can be done yourself or in case the job is simply too big you could make a reservation for your GSX 1400 in with a nearby mechanic.
Suzuki GSX 1400 manual