If you have to perform maintenance tasks on your Honda CR 80 R then it is usually a good plan to own a Workshop Manual to use as reference if perhaps you need to know techniques to take out a specific component for example the Wheel Bearing and match it again effectively.
Honda CR 80 R Workshop Manuals provides certain diagnostic details with regards to your car therefore if something is broken it helps you find out what the issue is and how to correct it. You can then decide if you can do this on your own or if ever the job is too big you can still make a booking for your CR 80 R into a decent mechanic.
Honda CR 80 R manual