Honda's NR500 GP racer, NR750 endurance racer, and 1994 $60,000 streetbike launched a million dreams but were failures in the grand scheme. The bikes were beautiful innovations and represented a crazy technical striving during a magic time at Honda when the company explored anything that seemed possible. Listen now to learn more about the 8-valve-per-"cylinder" four-stroke V-four that acted like a V-8 and aimed for 22,000 rpm in racing form. Technical Editor Kevin Cameron heard the NR500 run at Monza in the 1980s, and Editor-in-Chief Mark Hoyer (like many) bought a 1995 Honda VFR750 because it had echos of the NR750 in its design. Listen now to learn about these amazing motorcycles and their oval-piston engines!