If you wish to execute repairs to your Giantco Cyrus II 125 then it is always recommended to possess a Workshop Manual to use as a guide if you need to know simple methods to take out a particular part for instance the Gearbox and install it again in the correct way.
Giantco Cyrus II 125 Workshop Manuals offers you exact diagnostic info with regards to your car so if something is broken it will help you find out what the situation is and how to make it better. After that you can decide if this can be done yourself or in the event the job is too big you can actually make a reservation for your Cyrus II 125 in with a nearby repair garage.
Giantco Cyrus II 125 manual