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).
A motorcycle has a motor and no pedals
A bicycle is powered by human exertion and a motorbike by mechanical power.
While you may have understood what you meant, the rest of us can't. What about motorcycle vs bicycle deaths?
A bicycle or a motorcycle.
A backie is a ride on the back of a bicycle or motorcycle.
bicycle is to motorcycle.
Motorcycle, cycle, bicycle. There aren't that many.
It's a track for bicycle or motorcycle racing.
An apehanger is a tall handlebar, particularly on a motorcycle or bicycle.
Bike is short for bicycle, and can either refer to a motorcycle, or a human-powered, pedal-driven bicycle.
The main difference between a bicycle and a motorcycle is that the former is powered by the human body but the latter is powered by an engine. Also, motorcycles can run a lot faster than bicycles, they have to be registered and insured and you need a permit to drive them, whereas you need no such thing for a bicycle. Finally, motorcycles are very heavy when compared with bicycles. They are also much more difficult to maintain and expensive to repair. A motorcycle consists of a lot of parts in comparison to bicycles, which are relatively simple in construction. It costs nothing in terms of fuel to drive a bicycle, except if you count the food that you eat as it gives you energy. A motorcycle has to use bought fuel and big ones use a lot of it.
It looked like a bicycle with a motor on it.