The Honda CB100 emergency ignition switch (kill button) is provided to insure safe riding and shutting off the engines operation when the motorcycle is overturned or when trouble develops in the throttle system. The operational principle of the Honda CB100 emergency ignition switch is shown by the illustration. Even if ignition switch is ON, the primary circuit can be opened by operation of the switch.
Honda CB100 Emergency Ignition Switch (Kill Button) Circuit Diagram
1. Emergency switch
2. Main switch
3. Ignition coil
4. Spark plug
5. Contact breaker
7. Fuse 15A
8. Battery 6V-6Ah
To inspect the emergency switch:
Start the engine, first make sure the engine can be stopped by switching off the emergency switch. If the respective switch positions are not functioned properly, the switch or wiring is defective. If the wiring is correct, check by the testing conductivity of wires with the switch. If the conductivity is not correct, replace with new one.