no. must be inspected/tiltled and registered, but do not need a license.
no
yes you need a mc endorsement to ride any motorcycle regardless of cc size.
To ride a 150cc scooter in Illinois you need a class L license. To ride anything greater than a 150cc displacement a class M license is required in Illinois.
Yes you can, but you need a motorcycle license.
Yes, you are required to have a motorcycle endorcement to ride a motorcycle with a displacement of 50cc's or greater.
Yes, also plates, license, and registration.
You can obtain your motorcycle (Class 6) learner licence after your 15th birthday - the same as a car (Class 1) learner licence. However, you need a full motorcycle licence to ride any motorcycle unrestricted, which take a minimum of 18 months form when you get your learner licence.
you need a motorcycle license.
Yes, in the United Kingdom you do not need to have a licence or any knowledge of motorcycles to be a pillion rider provided the rider holds a full licence and is insured. A provisional licence holder can ride a motorcycle and take a pillion passenger provided that the pillion passenger holds a full motorcycle licence (he is then deemed to be instructing the rider).
If you change it too fast, it will take on a synthetic smell after you put a couple hundred kilometers on it.
Please check the Motorcycle Manual (related link).