The Square Four Motorcycle Engine Was Weird And Awesome

Pioneered by Aerial and used by a few other brands, it was wonderfully balanced and sounded great. How come it's not in use today?

May 18, 2025 - 00:04
 0
The Square Four Motorcycle Engine Was Weird And Awesome
Pioneered by Aerial and used by a few other brands, it was wonderfully balanced and sounded great. How come it's not in use today?