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spirokeet Regular Location: London Registered: July 2004	Re: Possible stupid question regarding valves. Fri, 08 October 2004 05:10 Honda made the NR 500 4 stroke 8 valve engine in the late 70s early 80s to compete with the 500cc 2 strokes that other manufacturers were winning on. 500cc bikes were limited to a max of 4 cylinders so Honda effectively made a v8 with pistons paired into an oval shape and topped with 8 valves. Didn't work though, the bike hardly ever finished and people joked that NR stood for Nearly Ready. The bike pictured above is the Honda NR 750, released about a decade later in limited numbers. It didn't make any more power than other 4 valve per cyl bikes of its time and it cost 38,000 pounds! Only 3 were sold in the UK. [Report message to a moderator]

	Subject	Poster	Date
	Possible stupid question regarding valves.	matt_84	Thu, 07 October 2004 14:17
	Re: Possible stupid question regarding valves.	Jayem	Thu, 07 October 2004 14:22
	Re: Possible stupid question regarding valves.	ViPeR_NiPPleX	Thu, 07 October 2004 14:23
	Re: Possible stupid question regarding valves.	oldcorollas	Thu, 07 October 2004 14:27
	Re: Possible stupid question regarding valves.	ViPeR_NiPPleX	Fri, 08 October 2004 02:18
	Re: Possible stupid question regarding valves.	dingaling	Fri, 08 October 2004 02:28
	Re: Possible stupid question regarding valves.	oldcorollas	Fri, 08 October 2004 03:11
	Re: Possible stupid question regarding valves.	Henn	Thu, 07 October 2004 14:33
	Re: Possible stupid question regarding valves.	gianttomato	Thu, 07 October 2004 15:58
	Re: Possible stupid question regarding valves.	Ben Wilson	Fri, 08 October 2004 03:24
	Re: Possible stupid question regarding valves.	Henn	Fri, 08 October 2004 03:59
	Re: Possible stupid question regarding valves.	spirokeet	Fri, 08 October 2004 05:10
	Re: Possible stupid question regarding valves.	river	Fri, 08 October 2004 12:13
	Re: Possible stupid question regarding valves.	mrshin	Fri, 08 October 2004 13:03
	Re: Possible stupid question regarding valves.	spirokeet	Fri, 08 October 2004 15:37
	Re: Possible stupid question regarding valves.	510rob	Fri, 08 October 2004 17:41
	Re: Possible stupid question regarding valves.	Jayem	Fri, 08 October 2004 22:10

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