Four motorcycles belonging to segments that have almost nothing in common with each other, but with the exact same underpinnings. Possible? Kawasaki has done it already in case you're still wondering whether that's possible or not. The Kawasaki Ninja 650, Kawasaki Z650, Kawasaki Versys 650 and Kawasaki Vulcan S are the motorcycles in question and use the exact same chassis, engine and gearboxes. Heck, even their gear ratios are identical! How did Kawasaki do it? Watch this video to find out!