The power plant is what propels us all forward, and some just do the job better than others. In this episode of Highside/Lowside, the guys discuss their favorite motorcycle engines of all-time. Whether it is the acoustics, performance, or overall look and feel, in the end it all comes down to opinion, and the fellas have more than a few on the topic.

Check out more from RevZilla:

• Common Tread: News, opinions, and written reviews
• RevZillaTV: Bike reviews, How-To's, and product videos