ImaSlowZX
Parking Attendant
Posts: 25
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posted November 12, 2006 02:45 PM
Need a little input....
I've changed over to a 16T sprocket and added a Speedohealer. Nothing unusual arose when it was done. Now, when I reach the speed of approx 50mph, gear indicator would change to 1 step down. Maybe speedohealer? Anybody encounter this?
  
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fastestbusaaround
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posted November 12, 2006 03:06 PM
It is the S/H and there were a few posts about it here...not much to do apparently. I am just wondering if the wire they indicate to use for the S/H is the only wire going to the speedo, or if there's another one that could be used which doesn't affect the GPI. I haven't installed mine yet just for that reason. I installed 16/4'3s.
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mokaw
Expert Class
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posted November 12, 2006 03:17 PM
I went to a 16t too, and put a speedohealer on mine. When I shift to 6th, the gear indicator will show "6" and after a few seconds it will show "5". I figured it's something I have to live with. At least the speedometer is right on now.
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TJ
Zone Head
Posts: 604
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posted November 12, 2006 04:05 PM
What % of correction are you guys using?
I have a SH set at 12% correction to compensate for a 16T countershaft sprocket and my gear indicator works fine.
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ImaSlowZX
Parking Attendant
Posts: 25
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posted November 12, 2006 07:46 PM
Thanks for the info....I've set my SH at 12.6% correction and truly enough, the gear indicator started playing. Not only at 6th but the same goes for 4th and 5th. 1st to 3rd seems to be ok. I'll probably set it to transparent mode and see if it plays up some more....and send a query to SH and see if they have any 'fix' for this. It really doesn't matter much as we hardly stare at the instruments but it's always nice to know that everything works.
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fastestbusaaround
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posted November 12, 2006 09:07 PM
I'm going to have to set mine for 16.5%, so I'm sure it will have the same issues...if I install it.
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ImaSlowZx
Parking Attendant
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posted November 13, 2006 12:58 AM
Turned off the SH and the gear indicators were back to normal. I tried calibrating it just using the sprocket change and un-checked the basic data portion. Again it worked normally. My hunch is that when you go over a 12% correction, the gear indicator will play up. I might try going TJ's way and do a 12% and see what happens. Thanks again everyone for the input .
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ninja14
Pro
Posts: 1136
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posted November 13, 2006 01:21 AM
The ECU calculates the gear and signals the indicator via the CAN. It is not like the old days of a simple sensor........
If you end up w/ a TRE it won't matter anyway :-)
Also the ECU commands the ODO with less error than the speedo.......pretty much no error actually.
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BobC
Pro
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posted November 13, 2006 01:39 AM
 Edited By: BobC on 13 Nov 2006 01:40
I'm using 18/41 gearing and the SH. The gear position indicator works fine and also continued to work when I set the SH to convert KPH to MPH mode, which makes the speedo under-read by around 40%, for top speed runs.
I am a bit puzzled as to how the GPI information is actually calculated. Is there a resistive device in the gearbox like Suzuki or is it just calculated from other data in the ECU ? If I'm having no problems and other's are seeing errors, what inputs to the ECU are critical for correct GPI function ?
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Phytrax
Zone Head
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posted November 13, 2006 01:46 AM
The gear indicator is simply a comparison of the rpm and the speed, done by the computer. If you change the indicated speed it confuses the computer. Basically it thinks "Ok, if the rpm's are this high and I'm only going this fast, I must be in a lower gear. I doubt there is a fix for this since the computer displaying the speed is probably the same one calculating the gears.
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BobC
Pro
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posted November 13, 2006 04:16 AM
Edited By: BobC on 13 Nov 2006 04:24
quote:
The gear indicator is simply a comparison of the rpm and the speed, done by the computer. If you change the indicated speed it confuses the computer. Basically it thinks "Ok, if the rpm's are this high and I'm only going this fast, I must be in a lower gear. I doubt there is a fix for this since the computer displaying the speed is probably the same one calculating the gears.
OK then, can you explain why the gear position indicator continues to work accurately on my bike with minus 40% dialled into the Speedo Healer ? Because if it does work the way you describe then I'm confused.
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ninja14
Pro
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posted November 13, 2006 10:10 AM
The only factors that make sense are the GPS - set of resistors that feed a changing value to the ECU based on what gear the trans is in, speedo and RPM. This system is complex .........damn CAN :-)
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Phytrax
Zone Head
Posts: 526
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posted November 13, 2006 10:10 AM
Edited By: Phytrax on 13 Nov 2006 10:13
Ok Bob, maybe I'm full of shit  The computer might be picking up on the kph conversion since they do sell Kawasaki's overseas. A correction for a 16/43 gearing setup would put the speedo numbers right between stock settings and kph settings, causing some confusion in the computer. but I'm just guessing now. The more I think about it, the more likely that sounds though.
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ninja14
Pro
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posted November 13, 2006 10:26 AM
Who needs the damn thing anyway?..........I can count gears :-)
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fastestbusaaround
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posted November 13, 2006 10:38 AM
Geez...now we have some that work, and some that don't. BOBC, you're riding a zzr1400? Perhaps there is some difference between the 2?
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ImaSlowZX
Parking Attendant
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posted November 13, 2006 07:15 PM
Got something from Speedohealer -
Fwd: From: info@healtech-electronics.com
"We have received similiar reports from a few zx14 owners and I'm not sure what is happening.
This is very strange, because the GP signal and speed signal should have no relation.
Does it happen only in motion, or even when the bike is parked e.g. in 6th gear?
If it bothers you, I have a few ideas to try.
The first would be to connect a spare wire between the SH black wire and negative terminal of the battery temporarily, and see if it helps."
Kind Regards,
/Norbert
HealTech Electronics
I might give it a go. If it still plays up, I'll go by ninja14 - count gears..... .. now if I could only remember what comes after 3...hmmm
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ninja14
Pro
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posted November 13, 2006 11:31 PM
They assumed it would work b/c the sensor wiring is normal..............it is the rest of the system that is not. They figured it worked like other bikes and just had a sensor to the speedo w/o ECU involvment.
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Phytrax
Zone Head
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posted November 14, 2006 03:17 PM
Does the bike even recognize gear changes when it's not moving? That would be an interesting clue in this whole thing. Have to check mine soon as I get home tomorrow.
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fastestbusaaround
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posted November 14, 2006 03:58 PM
You can't get past neutral when it's not moving...good luck.
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Phytrax
Zone Head
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posted November 14, 2006 04:12 PM
Yep, already thought of that What you could do is stop in say, 4th gear, and see if it changes when you shift from there. Not sure if you can upshift from 4th, but you probably can, and I know you can downshift while stopped.
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fastestbusaaround
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posted November 14, 2006 04:16 PM
You could probably try that, should work...and if I'm not mistaken, it will show the correct gear if you had pulled up to a stop in gear and are sitting idling . Think I saw that before...
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Phytrax
Zone Head
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posted November 14, 2006 10:21 PM
If that's true then the issue with the speedo healer still isn't making sense. Another possibility is that the speedo wire carries the gear signal and at -18% the signal doesn't make sense to the computer. Still don't see why it would work at -40% and not -18% unless there is a difference in the ZX and the ZZR as you stated.
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RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
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fastestbusaaround
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posted November 15, 2006 04:15 AM
I find that strange as well...unless there is some issue with the installation? Some guys are saying that the 12% correction works but over that, no...I'm going to try that. Better to have it off by 3-4% than the 16.5% I have now. At least I'll have GPI and a relatively correct speedo that way. Worth a shot.
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mokaw
Expert Class
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posted November 16, 2006 05:24 PM
If I remember right, I set my SH at -12.7 or -12.9. Any update on this thread? FBA, did you try setting yours at -12 ? It won't do me any good to try mine right now. My bike's in the house for the winter.
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fastestbusaaround
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posted November 16, 2006 06:36 PM
I'm going out Saturday, hopefully, if it don't rain...should have an update then.
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