What does the fuel priming pump supply fuel directly to?

The fuel priming pump is designed to supply fuel directly to the induction manifold. This component is critical in ensuring that the engine receives the necessary fuel-air mixture for optimal combustion in the cylinders. By delivering fuel to the induction manifold, the pump helps maintain proper fuel flow and ensures that the vaporization process occurs efficiently as air is drawn into the engine.

In this function, the fuel mixes with air and subsequently moves towards the combustion chamber, where it is ready to be ignited by the spark plug. This process is essential for engine performance, especially during starting conditions when the engine might require additional fuel before normal operation begins.

Other options involve components that do not serve as the primary destination for fuel supplied by the priming pump. For instance, the throttle butterfly valve regulates air intake but does not receive fuel directly. Similarly, the exhaust manifold is responsible for expelling combustion gases, not for mixing or introducing fuel. The combustion chamber, while crucial for ignition, receives the fuel-air mixture through the induction manifold rather than directly from the priming pump.