I'm sure people are going to say that the constant starting and stopping of the engine will hurt it. But I'm guessing that Honda thought of that and has a solution.
"The charging coil under the flywheel doubles as the starter. There are no moving parts so there is no starter motor to wear out.- whitedartonpt 3 "
Honda Link: http://world.honda.com/motorcycle-picturebook/idling-stop/index.html