Depends on what level of modification you refer to as a cyborg, If you look at most modern prosthesis, They are generally in the grey area of each approach being different, using custom shapes and alloys, and very different and integrated systems.
In my head this says very specialized if a repair option was conceived outside the manufacturer.
Now exosuits, possibly as an alternative to forklifts in some fields, Those i could see being a more repairable option, as that technology improves it would likely shift towards the same system types to reduce costs. and likely be built around easier repair.
To take the activist role, you might cook up some muscle interface for the average joe to tie in with virtual reality games, and they might need occasional servicing to keep running, etc,