The 1984 Honda CR500R delivered power so violently that riders reported uncontrollable wheel lifts, sketchy landings, and violent head shakes, all worsened by a frame and suspension system that couldn’t handle the engine’s explosive force. Meanwhile, the Suzuki RE5’s futuristic rotary engine turned out to be a mechanical misfire — heavy, unpredictable, and dangerously unfamiliar to most mechanics. Let’s watch the video to see how these and other machines pushed design too far…