With the recent stories, there was a whole saga about the registration of a few of the vehicle models in SL, including the motor bicycles.
So, give it a miss, don't make it your issue when it is someone else's issue. I have heard the investigations are underway.
High capacity bicycles are being registered legally due to a loophole in the RMV process/paperwork, so snap one of them if you need fast two wheels.
Ride safe!
Regards,
JC