If you have to undertake fixes to your Honda TRX700XX then it will always be recommended to have a Workshop Manual to keep just for reference in the event that you need to know tips to take out a particular part for instance the Gearbox and fit it again in the right way.
Honda TRX700XX Workshop Manuals will give certain diagnostic details on your vehicle so if something is not working it will help you understand what the problem is and the way to correct it. You will be able to determine if you can do this on your own or in the event the job is simply too big you can still make a booking for your TRX700XX in to a suitable garage.
Honda TRX700XX manual