no
no
yes
Hell if I know!
It's a federal law that you have to have one.
You need a permit or driver's license, but do not need a motorcycle license.
If your Massachusetts license allows you to operate a motorcycle, you should not need to get a Colorado license because you are only a temporary resident.
Yes
For safety reasons, you should attend classes. You would need to obtain a M license if you intend to drive on the roads in Massachusetts. If you plan to use it for recreational purposes, there is no special license.
Yes, Massachusetts drivers are required to present their driver's license at the airport for identification purposes.
all of them
No, just on the rear of the vehicle
Yes. You do not need to have a driver's license in order to register a motor vehicle and get tags for it.