Think You’re a Motorcycle Expert? Take This Quiz to Prove It!

Which part ignites the fuel-air mixture inside the engine?

Retry Correct Incorrect The spark plug ignites the fuel-air mixture in the engine cylinder, creating the explosion that powers the engine, which in turn generates the force needed to propel the motorcycle.

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John Taggart/Bloomberg via Getty Images

John Taggart/Bloomberg via Getty Images

Which part ignites the fuel-air mixture inside the engine?

• Spark plug
• Valves
• Timing chain
• Stator