If you want to perform auto repairs for your Honda SL 230 then it will always be a good plan to have access to a Workshop Manual to use as personal reference in the event that you need to know how you can remove a particular part for example Wheel Bearing and install it again in the correct manner.
Honda SL 230 Workshop Manuals offers you detailed diagnostic guidelines for your vehicle therefore if something is broken it will help you understand what the situation is and methods to make it better. You can then evaluate if you can do this by yourself or that the job is just too big you can still make a booking for your SL 230 right into a nearby garage.
Honda SL 230 manual