Why Honda Made A 20,000 RPM Oval Piston Engine

Honda's motorcycle racing division is responsible for many extraordinary and successful models in the history of Grand Prix, basically in any class of the series. In the late 1970's it was decided to compete against two-strokes with a four-stroke. And that was a true challenge. This is the story of the unique oval-piston engine.

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This video is fair use under U.S. copyright law because it is transformative in nature, uses no more of the original than necessary and has no negative effect on the market for the original work.

- Credits -
“RC211V Designing Story” by 本田技研工業株式会社 (Honda)
https://www.youtube.com/watch?v=j2p2yBKMKF4

“Honda RC116 (1966) vol.1 - 2-Cylinder 50cc GP Racer” by Deckay_F
https://www.youtube.com/watch?v=vDd0kVnnqfg

“Museo Honda, vi raccontiamo il debutto della NR 500 pistoni ovali nel 1979 a Silverstone” by GPOne
https://www.youtube.com/watch?v=JlXkHvaKW9c

“1987 Swann Series Calder round 2 Roadracing with Honda NR750 !!!!” by Harrie SukkyYakky
https://www.youtube.com/watch?v=t841nHoOjIY

“4 cylinder Versus 3 cylinder. - MV Agusta 500's sound comparison.” by Pete Scott
https://www.youtube.com/watch?v=SSfhJvuaj_Q

“Motor GP500 Terakhir Bermesin 4-Tak, HONDA NR500 | History Lesson” by ENOANDERSON - Motorbike
https://www.youtube.com/watch?v=zmIyt0o9YT4

“Bought a 1979 Honda Civic CVCC” by Misael Valdez
https://www.youtube.com/watch?v=RcfteYujdRc

“Sweet Yellow CVCC Honda Civic Zips back to Life” by 2stroketurbo
https://www.youtube.com/watch?v=yLGzhJU-sq4

“GP Belgique 1978” by Leo Movies
https://www.youtube.com/watch?v=AKyUX-VKILc

“Soichiro Honda & Ayrton Senna” by Fernando Maripan
https://www.youtube.com/watch?v=WGI1y62Tbbs

“1987 Swann Series Lake Side round 3 with Honda NR750 !!!” by Harrie SukkyYakky
https://www.youtube.com/watch?v=RqtbMis_0UU

“1992 Honda NR 750 (V4 oval pistons 32 valve) promotional movie.flv” by TesztMotor
https://www.youtube.com/watch?v=tdkCBa-7f6w

“Classic Motorcycle Racing: Ralph Bryans rides an ex-Mike Hailwood Honda 6 at Brands Hatch in 1989” by Michael Williams
https://www.youtube.com/watch?v=Z1YqsBrsMS8

“HONDA NR 750 (Part 3)” by kompass60
https://www.youtube.com/watch?v=L66py7L11bA

“HONDA NR750,500. Oval piston engine cutaway. 楕円ピストン NRエンジンカットモデル” by ODDEYE109
https://www.youtube.com/watch?v=mG79c7VAw7w

“Honda NR 750 (Documental completo) HISTORY HONDA” by vulcanouf
https://www.youtube.com/watch?v=KPbhqS3N7ek

“Historic Honda NR 500 WGP500 1979 (oval pistons) static video.flv” by hondaspeed9
https://www.youtube.com/watch?v=ELHajUuxBsM

“Honda VF750F- 1984” by cobra66driver
https://www.youtube.com/watch?v=ANP5rLhVl_g

“Honda NR 500 op de Testbank” by Nederbug66
https://www.youtube.com/watch?v=k5tUcxzpV5o

“Honda NS500 NSR500 WEB Mr. Bike” by Web-MrBIKE
https://www.youtube.com/watch?v=24Sib0ZQQFY

“HONDA HRC NS500 (1984) Vol.1 - Freddie Spencer's NS500” by Deckay_F
https://www.youtube.com/watch?v=nVaUPSltsRY&t=3s

“NR500 1983” by ROADRIDER JAPAN
https://www.youtube.com/watch?v=qlkv2KxJQ4M

“For Sale: 1992 Honda NR750. Oval piston goodness. Ready for public or private museum.” by Superbikeplanet
https://www.youtube.com/watch?v=uZtDuAWHJ9s

“HONDA NR750 sound” by nise1118
https://www.youtube.com/watch?v=G_rEZK-SXDc

“HONDA NR 750 Dyno Run 2” by stevenm5317
https://www.youtube.com/watch?v=9nmKABzKNvE

“HONDA NR の通過音だそうです” by NR TV
https://www.youtube.com/watch?v=KUoTlelPLEs

Видео Why Honda Made A 20,000 RPM Oval Piston Engine канала VisioRacer