Practice question

What is the primary function of the starter motor in a vehicle?

  1. To generate electricity while the engine is running
  2. To crank the engine by rotating the crankshaft so the engine can begin the four-stroke cycle and start running
  3. To charge the battery
  4. To ignite the air-fuel mixture

Answer: B — To crank the engine by rotating the crankshaft so the engine can begin the four-stroke cycle and start running

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