zzz - Cycle World

What Is The Secret Importance Of An Intake Airbox?

Think of a motorcycle airbox as a glorified beer bottle. We've all blown across the mouth of a bottle and heard the "whoooo" of bottle resonance. If the volume of the airbox and the mass of the air in the intakes are correctly chosen, the box will hum like a beer bottle-and boost engine torque.

Motorcycle Technology

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