This is my personal opinion. Also I never had a motorcycle.
I will recommend not to put such camera on your motorcycle because there are at least three types of vibrations which can damage the camera:
- "Macro" vibrations generated by the bumps on the road. You can fight them with kind of damper, but sometime the amplitude can be significant.
- "Generic" vibrations generated by the movement of the motorcycle. The maybe can be mitigated by unit like this you show on the image (in some degree)
- "Micro" vibrations caused by the work of combustion engine. IMHO will be very hard to fight them and they can damage seriously the camera.
P.S. You can mitigate most of the vibrations (except macro ones) if you somehow put the camera on swing. But with nonmetal ropes, for example hemp ropes will mitigate a lot of the vibrations. I know this is quite odd idea, but.... Do not forget to attach to three point and they are not on one line.
Here is one example about swing (but with 4 ropes). Will be good for stability to have three and they to be attached somewhere in form of triangle.