knowverse🧠 on Instagram: "The starter motor is the small but powerful electric motor that gets your car’s engine running. When you turn the key or press the start button, the battery sends current to the starter motor. Inside it, an electromagnet pushes a small gear, called the pinion, forward to mesh with the large gear on the engine’s flywheel. At the same time, the motor spins the pinion, which in turn spins the flywheel and begins rotating the crankshaft. This cranking motion is what allows