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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: 200mph plus NEW TOPIC NEW POLL POST REPLY
jansezx12


Parking Attendant
Posts: 8
posted February 03, 2002 10:31 AM        
200mph plus

Hi guys. I'm new to this board. I have a silver zx12r with full akro k&n and a pc. It delivers 180,7 bhp at the backwheel. Today i was just cruising on the motorway when i saw a couple of hundred yards of tarmac in front of me without cars on it. I couldn't resist the temptation. Open went the throttle downshift to fifth at about 185mph to sixth. I did touch 206 mph with ease even though i was in jeans with a jacket on (stupid i know but at that speed.....). I had to back off because of a car.
This is my fastest speed sofar. I also have a gsxr 1100 w with 142bhp at the wheel and it goes 188mph on the clock.
But at that speed the zx still accelerates with brute force.
This was a new dimension.

Bye



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Jeroen


Expert Class
Posts: 144
posted February 03, 2002 10:41 AM        
Good to see another dutchman on this board. And with a silver 12 too
Do the pipe and pc3 make a lot of difference compared to stock? Can you recommend the upgrade?
____________
Jeroen - BMW R850R

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redelk


Moderator
Please... speak to the hand.
Posts: 3212
posted February 03, 2002 10:47 AM        
First I want to say....

WELCOME and congratulations on that blazing run!

Now, don't take this wrong, but I have a small amount of "bad news" for you about that top speed. Due to the bike's speedo error, that "206" is closer to 185 actual. That's going on what appears to be the average error of 10%. Even at an error rate of 8%, it would be close to 190. If the bike has been regeared, it'd be even worse!

Still, this is NOT to detract for the fact that you were FLYING! I have yet, in almost two years, seen speeds anywhere close to that (169.7 actual). Of course, if you read my "signature" at the bottom of my posts, you'd know why! BTW - my "signature" sounds better then stating the fact that I have no "balls"!
____________
There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.
-Ernest Hemingway

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redelk


Moderator
Please... speak to the hand.
Posts: 3212
posted February 03, 2002 10:52 AM        
Opps! My bad!

I don't have a clue on how the speedos are set up on Euro bikes or what their "error percentage" is.

HEY JEROEN! Great to see ya here again! Don't be such a stranger... O' father of ALL ZX12R boards!!
____________
There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.
-Ernest Hemingway

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oldkawboy


Needs a job
Posts: 2125
posted February 03, 2002 10:54 AM        
Jansezx12,
Welcome to the board, there's alot of good info here.
I also have a silver 12 with an Akro, truly the fastest
color!!
What part of the Netherlands are you from? I have a
friend who lives in Bergschenhoek and rides a CBX1100.
He and his wife comes to the USA every couple of years
and tours our country. I believe you folks have too much
rain there for me !!!!!
Dan



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jansezx12


Parking Attendant
Posts: 8
posted February 03, 2002 11:14 AM        
Jeroen,

I can recommend the akro. This pipe is very good and makes a nice noise. Not extremely loud. With this alone you will have around mid 170s. Without another modification my bike ran good but looses at the bottem of the rpm range. From ca 5000 rpm onwards its stronger. The pc and filters won't change that. It will never be as strong at the bottem as stock! But it is still strong! With the pc and filters it will gain at the bottem and at the topend. I think my bike can still be better if there was a tuner who knows what he is doing with the pc. In holland they will sell you a pc 2. This is actually a pc3 with a wrong sticker on it.

My bike is done at BEKU Motoren Uithoorn. They have a dynojet tuner. He has already done 4 zx 12s. All silver.

Cost are 650 euro for the pc and filter with installation.
Akro is about 1150 euro with titanium linkpipe. I bought it at Motoport Almere.




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jansezx12


Parking Attendant
Posts: 8
posted February 03, 2002 11:22 AM        
Oldkawboy,


You chose the good color. I live in Almere. This 12mph from Amsterdam.

Did you also loose a lot of power below 5000 rpm with the full akro.

Did you that second gear is good for 118 mph at the limeter.


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Sling shot


Novice Class
Posts: 43
posted February 03, 2002 12:47 PM        
quote:
Jeroen,

I can recommend the akro...ran good but looses at the bottem of the rpm range. It will never be as strong at the bottem as stock!


You can correct this with a Schnitz Nitrous Kit but it won't help you in the lower rpm range in first gear, because your grip is not strong enough and your swingarm is too short
____________
grabbing life by the throat and hanging on for all the thrills I can get

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Jeroen


Expert Class
Posts: 144
posted February 03, 2002 12:49 PM        
quote:
I don't have a clue on how the speedos are set up on Euro bikes or what their "error percentage" is.

HEY JEROEN! Great to see ya here again! Don't be such a stranger... O' father of ALL ZX12R boards!!


Isn't the error percentage 6% for all 12's?

Thanks for the father thing, I'm still lurking around
____________
Jeroen - BMW R850R

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extremelean


Pro
Posts: 1651
posted February 03, 2002 12:57 PM        
7-10% is norm.

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ZXtra


Expert Class
Posts: 490
posted February 03, 2002 02:14 PM        
7%-10 %....OH!!!

WOW! I thought 6% was the average error too.

Can we get some numbers from GPS guys, maybe, please? -ZXtra
____________
The sixth sick sheik's sixth sheep's sick!

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swft


Needs a life
Full throttle!
Posts: One MEEEEEELLION
posted February 03, 2002 03:54 PM        
On the dyno - Average error was over 8%. That was on five different zx12rs. Nice thing about a yellow box, you can get that down to zero error.
____________
82 Gpz750, 84 Ninja 900, 2000 ZX12R (Muzzy Big Bore Kit), *another* 2000 ZX12R (Muzzy custom stroke crank 1341cc motor), 2004 ZZR1200, 2005 ZX10R, 2007 ZX14, 2008 Concours 14, 2014 Versys 650, 2014 Yamaha WR450F, 2015 Ninja H2


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redelk


Moderator
Please... speak to the hand.
Posts: 3212
posted February 03, 2002 09:47 PM        Edited By: redelk on 3 Feb 2002 21:54
Mine's about 9 to 10%

That's while running a 180/55 rear tire (very close to the measurements of a 200/50, except for width) and +1 on the rear sprocket. These changes made little difference then the OEM set-up. Other aspects like tire pressure and tire growth can also change the error precentage, but only a minicule amount.

I use a Garmin GPSIII (permanently attached to my "mini" tank bag) and a Sigma Sports Targa with two magnets on the rotor (instead of just one) for the extra accuracy. I also will measure my front tire's (which the Sigma measures from) circumference several times through out it's life on the bike and adjust the Sigma, if necessary.

I'm just too much of a "gizmo guy" and I'm too cheap (okay... broke) to buy a yellow box. I've been using that old GPS and a Sigma years before I even got my 12R. I've grown so accustom to looking at them, I actually can't bring myself to look at the OEM speedo. I guess 'cuz I can read the digital displays faster then I can comprehend all those numbers on the OEM speedo. After all, I am from Arkansas. We have to take off our shoes to count past ten (or 11, if I'm wearin' "zip fly" jeans)!

Still, for accuracy on the OEM speedo, the yellow box is the only way to go.
____________
There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.
-Ernest Hemingway

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