1. Demonstrate how to start a motor, explaining what precautions should be taken.
2. Take off and put on pneumatic tires.
3. Know the functions of the clutch, carburetor, valves, magneto, spark plug, differential cam shaft, and different speed gears, and be able to explain difference between a two and four-cycle motor.
4. Know how to put out burning gasoline or oil.
5. Have satisfactorily passed the requirements to receive a license to operate an automobile in the community in which he lives.
Aviation
To obtain a merit badge for Aviation a scout must
1. Have a knowledge of the theory of aeroplanes, balloons, and dirigibles.
2. Have made a working model of an {27} aeroplane or dirigible that will fly at least twenty-five yards; and have built a box kite that will fly.