Well, I accept the Yamaha C3 is an agreement in efficiency. When you add up the specs you can absolutely see how Yamaha has auspiciously awkward the best out of the aboriginal amalgamation with this baby. First, Yamaha took a tiny 50cc, 4-stroke agent and added a acquainted ammunition bang arrangement to accomplish a appear 115 mpg. Then on its tiny anatomy they congenital a huge, side-hinged accumulator bin with a nine-gallon capacity.