Motorcycle.com

This week’s video shows a motorcycle engine disintegrating before our eyes as layer-by-layer disappear to show the air-cooled single’s inner workings.

Even more impressively, the video was not done by CGI; instead it is a time-lapsed video of an actual Yamaha motorcycle engine being sanded down millimeter by milimeter. Produced by Espadaysantacruz Studio for 3M to showcase its Cubitron II sander which was used to slowly grind away at the engine.