General:
* The motor of the car sputtered and died.
* He replaced the motor in his old lawnmower.
* The electric motor hummed quietly as the fan blades turned.
Figurative:
* The motor of his ambition drove him to succeed.
* Her words were like a motor that got her project going.
Specific:
* The motor on the robot arm is powerful enough to lift heavy objects.
* The motor of the washing machine is starting to make strange noises.
* The motor of the airplane is designed for efficient fuel consumption.
Technical:
* The motor is rated at 1 horsepower.
* The motor uses a direct current (DC) power supply.
* The motor has a high torque output.
You can choose the example that best suits your intended meaning and context.