If you want to conduct repairs on your Suzuki GS 400 T then it is always a good plan to have access to a Workshop Manual to keep just for a guide in the event you want to know tips on how to take out a specific part for example, the Clutch and match it again successfully.
Suzuki GS 400 T Workshop Manuals will give certain diagnostic guides for your car or truck therefore if something is broken it will help you find out what the issue is and how to make it better. You will be able to evaluate if this can be achieved by yourself or if ever the job is just too big you can actually make a reservation for your GS 400 T into a trusted mechanic.
Suzuki GS 400 T manual