1.6 Definitions used in the project for not wearing a helmet will not start two component parts: 1.) transmitter that transmits a signal to a receiver in order to work or not work motorcycles 2.) The receiver functions. receiver from the transmitter to monitor the operation of the motorcycle 1.7. Agreement : 1.) Do not wear a helmet will not start. The researcher has invented a machine that only 1.8. Results are expected to be : 1.) Do not wear a helmet will not start invented to work with all brands of motorcycles 2) to encourage everyone to follow traffic rules , 3) to reduce losses. property caused by road accidents.