If you want to do adjustments to your Honda CR 80 R2 then it is always recommended to possess a Workshop Manual for personal reference in case that you need to know how you can take out a particular part for example Brake Discs and match it again perfectly.
Honda CR 80 R2 Workshop Manuals will give distinct diagnostic guidelines for your automobile therefore if something is wrong it can help you determine what the problem is and how to correct it. After that you can evaluate if you can do this yourself or if ever the job is just too big you can actually make a reservation for your CR 80 R2 right into a trusted repair garage.
Honda CR 80 R2 manual