If you choose to accomplish fixes on your own Izuka S125 then it is usually recommended to have access to a Workshop Manual to keep just for reference just in case you need to know the best way to strip off a certain part for instance the Door and fit it again efficiently.
Izuka S125 Workshop Manuals are able to offer unique diagnostic info with regards to your automobile so if something is not working it will help you ascertain what the situation is and the way to repair it. You will be able to decide if this can be achieved yourself or if ever the job is simply too big you can still make a booking for your S125 in to a nearby repair garage.
Izuka S125 manual