If you have to accomplish maintenance tasks on your Honda SH300i then it is usually a good plan to possess a Workshop Manual to keep just for personal reference in case you need to know techniques to remove a specific component like the Brake Pads and fit it again the right way.
Honda SH300i Workshop Manuals will provide you with distinct diagnostic information with regards to your vehicle therefore if something is not working it helps you find out what the situation is and how to make it better. Then you are able to determine if this can be done on your own or if ever the job is too big you can make a booking for your SH300i in to a local mechanic.
Honda SH300i manual