When It Comes to Your Bikes Engine, It’s All About the Air


January 27, 2011 | By: Scott Holton

Here’s a basic fact about the internal combustion engine: Every single one of them is just a variation of an air pump. As the piston goes down with the valve open, air — mixed with fuel — rushes into the cylinder. As the piston goes up, it’s compressed, spark occurs, power is made, and the spent gases are sent merrily down the pipe. To make more power, we need to get more air in and out of the motor.

“More air means more power” is the mantra for this blog post and the easiest place to show this is with the motorcycle air cleaner assembly. Mother Harley is handcuffed by EPA … Continue Reading

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