Yamaha XS 400 Workshop Manuals
If you need to undertake adjustments on your own Yamaha XS 400 then it is usually a great idea to have access to a Workshop Manual for reference if perhaps you need to know tips on how to take out a particular component for example the Brake Pads and match it again efficiently.
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Yamaha XS 400 Workshop Manuals will give you distinct diagnostic guidelines on your bike so if something is faulty it will help you find out what the problem is and the way to fix it. After that you can assess if this can be achieved by yourself or if the job is too big you could make a booking for your XS 400 into a trusted garage.