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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: TPS MAGIC NEW TOPIC NEW POLL POST REPLY
riteristrob


Expert Class
Posts: 109
posted October 09, 2010 08:25 PM        
TPS MAGIC

About a month a go I though I would smooth out my 02 ZX12 by fiddling with the TPS. HA! I read the way to set it was to warm it up, adjust idle to 2000 rpms and adjust the TPS to the point of max rpm increase.

Then I read what the manual and some others on this site said. Used my multi meter and adjusted it to 1.086 vdc. I've had the 12 for 4 years, and it has never been so smooth, crisp throttle, on/off jerk is minimal, and best of all, it hauls ass like never before. Now I'm rethinking the ZX14 I just picked up. I love that feeling of reeling in my friends Busa. He usually gets the jump on me but not tonight!

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tuusinii


Zone Head
Posts: 948
posted October 10, 2010 11:18 AM        
Yes, I've noticed too that the TPS-setting has much to do how the engine virbrates at certain RPM-range.
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2000redrocket


Pro
Posts: 1642
posted October 13, 2010 01:03 PM        
do you set the tps voltage with the engine running or off?
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tuusinii


Zone Head
Posts: 948
posted October 14, 2010 12:39 PM        
It really dosen't matter. Only thing that matters that You have the idle rpm set to 1000RPM, when engine is hot. I usually do it engine running, after I've come riding so engine isn't cold. The reason to set it engine running is that I can adjust the idle if it's off. There is a 5V regulator so the voltage at the sensor dosen't change depending on motor running or not.
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2000redrocket


Pro
Posts: 1642
posted October 14, 2010 03:26 PM        
well did you ever look at the 5vdc while the engine is running or not and then not running with the headlight on or off with key on? mine changes.
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riteristrob


Expert Class
Posts: 109
posted October 14, 2010 06:28 PM        
I set the voltage with the engine off. engine fully warned up, key on but engine not running. the adjustment is very sensitive. just tightening the screws moved it out of adjustment.
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2000redrocket


Pro
Posts: 1642
posted October 14, 2010 06:45 PM        
yup

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tuusinii


Zone Head
Posts: 948
posted October 15, 2010 10:03 AM        
Mine dosen't change and it really shouldn't because there is a internal 5VDC regulator on ECU that makes that voltage independently of the battery voltage...
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navpreet318


Expert Class
one crazy 12
Posts: 192
posted November 10, 2010 10:09 AM        
Some more details on this for a newbie...what exactly are we talking about here...i have the 2005 12...so will setting the tps to 1.086vdc work on it??
____________
2005 ZX-12R,Arata Full Ti, PC3,Gillis
Rearsets,Muzzy Velocity Stacks,BMC
Race filters.One Crazy 12

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navpreet318


Expert Class
one crazy 12
Posts: 192
posted November 10, 2010 10:28 AM        
oh yes its not a stock bike.its got an arata,velocity stacks,bmc,pc3usb..so does my bike need this tps sensor mod?
____________
2005 ZX-12R,Arata Full Ti, PC3,Gillis
Rearsets,Muzzy Velocity Stacks,BMC
Race filters.One Crazy 12

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wylde


Expert Class
Posts: 371
posted November 10, 2010 02:53 PM        
should!
____________
There you go again,,NOT being aware of yourself !

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Drp


Parking Attendant
Posts: 23
posted November 18, 2010 01:24 PM        Edited By: Drp on 18 Nov 2010 20:25
quote:
Some more details on this for a newbie...what exactly are we talking about here...i have the 2005 12...so will setting the tps to 1.086vdc work on it??


For better performance / ride ability try this 1.16vdc

Full instructions at the address below

http://www.drpmds.pwp.blueyonder.co.uk/TPS%20Setting.htm
____________
Dave Potter's ZX12-R Tuning Guide. http://www.drpmds.pwp.blueyonder.co.uk

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2000redrocket


Pro
Posts: 1642
posted November 18, 2010 03:23 PM        
on two zx12rs i have messed with the tps.the running tps voltage at idle is different than not running so the 5vdc regulator things did not carry over on the two i looked at.
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dougmeyer


Needs a job
moderated
Posts: 2670
posted November 20, 2010 08:19 AM        
Should be set w/ engine NOT running.
____________
It's not that I think you're dumb, it's just that so much of what you know isn't true....

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2000redrocket


Pro
Posts: 1642
posted November 21, 2010 07:38 PM        
yes after turning off and then on again
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Kwakrider


Parking Attendant
Posts: 17
posted November 24, 2010 04:34 AM        
I've adjusted my TPS a few weeks ago, big difference in how the throttle responds, big improvement!! A worthwhile mod!!
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biggmoinc


Zone Head
Posts: 747
posted April 25, 2011 08:39 AM        
I adjusted according to th link, even I first tested it it was ar1.541, set it to 1,086, n the bike stuttered badly, What m I missing? Does the idle screw need to b backed completely off the throttle? I had it to where the bike was idlingf between 1-1.5k,

____________
07 ZX14 bmc filter, muzzy m14, 16/44,66",auto shift, 6'3, 204lbs/1.54/3.99/6.03@120/7.8/9.32@147
biggmo@aol.com

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2000redrocket


Pro
Posts: 1642
posted April 25, 2011 12:53 PM        
that is decieving on "ok i am adjusting my tps voltage to x.xx"
depending where you have the idle screw set to (i know on non stock exhaust setting the idle to the book setting may be or may not be where kawasaki intended the tps reastat to be at)
on a bike with the "hunting idle" i would adjust the idle to where the book says it should be idleing at by putting a rag over the exhaust and corking it up to smooth out the idle. then when the idle rpms are set go and do the procedure again.

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biggmoinc


Zone Head
Posts: 747
posted April 25, 2011 03:09 PM        
yeah its weird, the bike has had an abrupt on n off throttle since like ...... forever, i just was bored n thought i would try the tps n see if it smoothed it out, i always blamed it on the muzzy exhaust, lol

____________
07 ZX14 bmc filter, muzzy m14, 16/44,66",auto shift, 6'3, 204lbs/1.54/3.99/6.03@120/7.8/9.32@147
biggmo@aol.com

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2000redrocket


Pro
Posts: 1642
posted April 25, 2011 03:14 PM        
it can be smoothed out but not by tps magic.hold a rag and or leather glove over the end of the can and it will smooth rite out.
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biggmoinc


Zone Head
Posts: 747
posted April 25, 2011 03:46 PM        
i was talkin bout the on/off throttle response being smoothed out but i will try the rag n get it down to 1000 rpm n try to 1.084 it, n see how she goes, lol
____________
07 ZX14 bmc filter, muzzy m14, 16/44,66",auto shift, 6'3, 204lbs/1.54/3.99/6.03@120/7.8/9.32@147
biggmo@aol.com

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2000redrocket


Pro
Posts: 1642
posted April 25, 2011 04:01 PM        
i do retarding the timing down low off idle mat take the bluntness away some if you have access to timing.
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