A motor cycle is larger, for one. Motor bikes can also have pedals. There is no difference. In UK law, there are two classes of two wheel motorized vehicle: Moped (a vehicle not exceeding 50cc) and motorcycle. Motorbike is a slang term for motorcycle and used, along with the contracted form bike to describe, in general terms, any plastic fantastic, tupperware tornado or screaming Japanese crotch rocket. The US tend to raise the status of their iron horses to icon, and so motorcycle is much more fitting.
A bicycle is powered by human exertion and a motorbike by mechanical power.
A motorcyclist, a motorcycle driver, a motorbike driver or a motorbike rider are some of the terms that come to mind.
No difference
1cc
A motorcycle (motorbike) is driven by a petrol engine. A bicycle is driven entirely by the effort from the rider (unless it is battery driven).
Which motorcycle?
"A motorbike cover is very essential. When you store your motorcycle away for the season, it could collect dust. Also, your motorcycle could get scratched."
A motorcycle has a motor and no pedals
motorcycle motorbike
BMW motorbike= every 10.000 km Honda motorbike= every 6.000 Km Yamaha motorbike= every 6.000 Km
Motorcycle and sidecar
A powered two wheeled vehicle, the term "motorbike" is a derivation of "motorcycle" which itself comes from "motorised-bicycle"