If you wish to perform repairs to your GAS GAS 200 PRO then it is always recommended to have access to a Workshop Manual to use as reference just in case you need to know the best way to strip off a certain component for instance the Exhaust and match it again correctly.
GAS GAS 200 PRO Workshop Manuals can offer you certain diagnostic info with regards to your car so if something is wrong it helps you ascertain what the issue is and how to fix it. You will be able to decide if you can do this by yourself or if the job is just too big you could make a reservation for your 200 PRO in with a decent repair garage.
GAS GAS 200 PRO manual