If you wish to perform repairs on your Izuka S125B then it will always be a good idea to own a Workshop Manual for a guide in the event that you want to know simple methods to take out a specific part for instance the Wheel and match it again adequately.
Izuka S125B Workshop Manuals will give specific diagnostic details for the car so if something is broken it will help you ascertain what the situation is and the way to fix it. After that you can analyse if you can do this yourself or that the job is simply too big you can actually book your S125B right into a nearby garage.
Izuka S125B manual