Going way back into the topic... I've personally seen Yamaha 4-stroke riders stall their bikes during supermotard and mx races and then frantically kick their brains out while everyone else passes them by. While I understand the requirements for weight savings for racing bikes, I don't understand why a racer would risk a lengthy restart when $$$ or points are on the line. Seeing this happen more than once has convinced me that my first dirt bike will have an electric start for those times I know I'll be stalling it in awkward places.
John B.