2007 Yamaha C3, Old-school "box" design scooter accentuates cubic space - hence the name C3 - while it stresses function and simplicity.Completely modern running gear including a fuel-injected engine makes this one super-economical to operate. The C3 will take you a long, long way on a single 1.2-gallon tank of gas.High-function features include big tires on cast aluminum wheels, a motorcycle-type fork and handlebar.