ZXR750 Dyno Graph

Chriss · World Chat Champion Joined: 07 May 2005 Karma :

Anyone know of where I can find a ZXR750 dyno graph? Specifically looking for a H1 or H2, just so I can compare my ZXR750 to another one, espically to see if it's got any restriction (it's an impot).

Thanks in advance.
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

MarJay · But it's British! Joined: 15 Sep 2003 Karma :

most euro imports are restricted to 100bhp... That might tell you something... Smile

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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.

Chriss · World Chat Champion Joined: 07 May 2005 Karma :

Laguna Motorcycles in Maidstone told of a 150mph restriction with a chip in the clocks. If I get a speedo converter and make it into MPH, I'll be restricted to 150kph. Confused

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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

loply · World Chat Champion Joined: 24 Mar 2004 Karma :

Kickstart · The Oracle Joined: 04 Feb 2002 Karma :

Hi

Don't think it will be restricted. As that age Japanese market stuff was restricted to 180kmh (112mph). The ZXR750H only just made over 100hp anyway (by a small enough amount to be easily within the margin for error between dynos).

Only one that really was down on power would be Japanese market (77hp for licence reasons) and the Swiss market ones (really pathetic power due to noise and emissions rules).

German stuff might have been restricted to 100hp but that was for insurance reasons (no legal reason, just a very major cutoff point for insurance). France is the only place I can think of that has a legal 100hp limit.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

Whosthedaddy · Super Spammer Joined: 11 Dec 2005 Karma :

TL666 · Trackday Trickster Joined: 23 Mar 2005 Karma :

The UK ZXR750 J1 was restricted to 100bhp over fears that there was going to be an even greater power restriction put in place by the government. This never materialised so I think that this model ZXR is the only bike to have the 100bhp limit.
It was restricted by using smaller carbs and I believe that B3 ZX9 flatslides will give it a considerable increase in power.

Bullet · Trackday Trickster Joined: 06 Jan 2006 Karma :

the J was indeed the only restricted model, but restricted isnt really the right description, 'retuned' would be more appropriet as the power was shifted down the revrange. if you compare a standard j with the highlift cam, flatslide equipped k youl see about 40bhp less at 4000rpm on the flatslide bike. fine if you spend your time howling round a race track at 9000+ RPM (which is where itl finally beat the j on power) but for the road, youl be slower.

https://homepage.ntlworld.com/webzxr/zxr750r/

is a very good zxr site, theres some power, and torque curves in the old magazine articles on there, its mainly for the k model, and a bit about the j, dont think theres any H stuff, but it might be usefull?
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nonstop unicorns vomiting sunshine pills into a rainbow toilet
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past: ZXR750 J1, K1 & H1, GPX600R, Yamaha Radian. present: ZXR750 J2, SP-1, CB350

Whosthedaddy · Super Spammer Joined: 11 Dec 2005 Karma :

N1 Bullet

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Current : MSX 125 Past : CBR 900RR Monkeybike : c50 LAC : ZXR750 H2 : FZR600 : ZX7R P3 : YW100 : TRX850: Trophy 900 T309 : GSXR 600 L0: Monkeybike : XJ6S Whosthedaddy