Some engines have a speed of up to 50% / h, while 10cc gas engines with a speed of up to 50% / h. Some speedier motors are on the motorbike a much larger size, 10cc gas engine may also be aesthetically pleasing.
They are lighter, more fuel efficient, and have a more powerful design. On the other hand, the differences in speed differences are that thecc engine is speed efficient and less fuel consumed.