If you need to accomplish maintenance tasks to your Suzuki SP400 then it is always a good idea to own a Workshop Manual for a guide in case that you need to know easy methods to take off a particular component including Brake Discs and install it again appropriately.
Suzuki SP400 Workshop Manuals are able to offer precise diagnostic guidelines for your car therefore if something is wrong it helps you figure out what the problem is and the best way to correct it. After that you can decide if you can do this yourself or in the event the job is just too big you can actually make a booking for your SP400 right into a decent mechanic.
Suzuki SP400 manual