Talk:Kawasaki GPZ900R

January 2007
I had always known this bike to be the GPz900R, but since the Kawasaki Heavy Industries museum calls it the GPZ900R, I guess that's what it is... Respectfully, SamBlob 23:31, 21 January 2007 (UTC)


 * My understanding is that "z" was used for the air-cooled models, and "Z" for the liquid cooled, with the GPZ900R being the first to use this convention 62.213.130.74 (talk) 14:20, 11 March 2011 (UTC)

The first couple of years production used the lower case Z, later ones Upper Case. — Preceding unsigned comment added by 1.178.135.202 (talk) 08:35, 10 May 2016 (UTC)

Power figures from workshop manual
Some explanation about what's wrong with this edit:It is helpful to have numbers from different sources even if they disagree with each other. It helps to show readers that not all sources agree, and when it comes to motorcycle horsepower, speed, and weight, disagreement is the rule rather than the exception.The problem is that the edit is misleading as to which source was used. Example:

This incorrectly tells the reader that the 100 bhp figure came from Krens and the Kawasaki Museum. We want it to say that Krens says 115, the museum gives 3 other numbers, and the manual tells us 100. The new number needs a separate citation. I have changed it to reflect this, but we still need more specifies for the workshop manual citation. I tagged it Clarification needed.IchoTolotos, can you please provide the title, year, and page number from the manual you have? The publisher, ISBN, and so on are also helpful.I hope that makes sense. Sorry this stuff has to be so complicated; don't let it get you down. Thanks! --Dbratland (talk) 20:47, 10 January 2011 (UTC)


 * Page 1-5 of the German language workshop manual for the GPZ900R / ZX900-A1, which agrees with the figures given by IchoTolotos, quotes 74kW/100PS @ 9500rpm and 78.5Nm/8kpm @ 8500rpm. However, I'm not sure it can be trusted to be error free because the same page quotes the engine capacity as 901cc when it is obvious from the bore & stroke that the capacity is 908cc - and the latter is the figure given by other sources. --Biker Biker (talk) 21:15, 10 January 2011 (UTC)


 * Digging through my unsorted Cycle Worlds, I found two articles, but both are claimed power only. Apparently they didn't dyno test it in their original review in 1984:
 * I have several other books and magazines I can check. It would be nice to cite an independent test figure and just ignore most or all of the claimed numbers. --Dbratland (talk) 22:05, 10 January 2011 (UTC)
 * This is an example of sources that say the GPZ900R continued after 1990, in contrast to Ker and Dowds just cited. Krens says it "remained in production for nearly 10 years" implying the end date was about 1993. Template:Kawasaki motorcycles says 1996 but I don't know where that's coming from.--Dbratland (talk) 00:34, 11 January 2011 (UTC)
 * More cites:
 * This is an example of sources that say the GPZ900R continued after 1990, in contrast to Ker and Dowds just cited. Krens says it "remained in production for nearly 10 years" implying the end date was about 1993. Template:Kawasaki motorcycles says 1996 but I don't know where that's coming from.--Dbratland (talk) 00:34, 11 January 2011 (UTC)
 * More cites:
 * More cites:








 * That's all I've got. None of these appear to be dyno tests; just varying reports (+/- a couple hp) of the claimed output. The 154 mph top speed sounds legitimate. It seems a couple sources mix up the end of the status as Kawasaki's flagship with the end of production, and it appears 1996 is probably the right year. --Dbratland (talk) 02:53, 11 January 2011 (UTC)
 * That's all I've got. None of these appear to be dyno tests; just varying reports (+/- a couple hp) of the claimed output. The 154 mph top speed sounds legitimate. It seems a couple sources mix up the end of the status as Kawasaki's flagship with the end of production, and it appears 1996 is probably the right year. --Dbratland (talk) 02:53, 11 January 2011 (UTC)

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