Speed
50 mph
It will go about 35 mph to tops 40 mph
Depends on what brand but about 45mph
Around 55 mph.
in the 40-45 mph range
There is not a conversion from cc to mph, but a 150 cc motorcycle will go about 70 mph.
Can't answer that one, to many variables.
My son and me both have one and can get 50mph on dirt .
The size of an engine is not directly related to its speed.
Indirectly, yes. "50cc" and "125cc" refer to the displacement of the engine, expressed in cubic centimetres. In my jurisdiction, a 50cc. scooter is not capable of speeds in excess of 50 MPH, therefore you don't need a motorcycle endorsment on your driver's license. A 125cc. "scooter" is legally a motorcycle, and there are 125cc. bikes that are capable of speeds in excess of 100 MPH. There are also 50cc. scooters that will exceed 55 MPH and then some, but don't tell anybody...
My son and me both have one and can get 50mph on dirt .