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speedo healr+15/50 calibration?

2491 Views 11 Replies 8 Participants Last post by  Scott_R6
im aware that at most any given stock speed an r6 is +3-5 mph over the given digital reading. i recently installed my afam 15/50 sprockets and 520 conversion. upon recent test runs i notice from 0-60 mph my r6 is still running its typical +5mph on the speedometer however im sure as i accel beyond that the interval increases. then again maybe its just me not used to such acceleration. my question is for you 15/50 guys out there, what did you calibrate your speedo setting to?
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I don't know anything about calibrating it.....but notcrashed has a 15/48 setup with a speedo healer and his bike runs about 1-2mph faster than mine, and my bike has stock gearing. His is an 2002 and mine is a 2000. I thought they ran fast too but now this has me wondering.....maybe he did not calibrate it correctly?
my speedo/odo has a 10-12% error with the 15/50 setup. now i just add 10 mph to the indicated speed.
I just went to http://www.yzfr6.net/sprocket_speed.php and you can put any type sprocket combo you want and see what the speed and gear drive ratio does. Kinda cool.
After a while, you get use to it!
I have a 15/50 in a "00" and I purchased my speedohealer at the same time. I rode it before I calibrated it just to see how much it was off and at freeway speed; it was off by over 10+. Once I calibrated it, it seems to be normal again, im usually 1-2 mph under my friend who is stock. With stock bikes being off by 5%, im guessing mines is spot on :thumbup
hesaves0211 said:
im aware that at most any given stock speed an r6 is +3-5 mph over the given digital reading. i recently installed my afam 15/50 sprockets and 520 conversion. upon recent test runs i notice from 0-60 mph my r6 is still running its typical +5mph on the speedometer however im sure as i accel beyond that the interval increases. then again maybe its just me not used to such acceleration. my question is for you 15/50 guys out there, what did you calibrate your speedo setting to?
Only way to calibrate it is using a speedo healer. The amount of error is not a constant, but a percentage......like you said, it will increase the faster you go. It is off roughly 15-18%.

Here are the calibration steps if you are using a Speedo Healer though:

SH Calibration Value to be stored: -15.6%
SH Conversion mode Value to be stored: 0

- the ignition must be OFF
- set ALL SH switches ON
- turn ON the ignition
- press the button => memory cleared

- set ALL switches OFF EXCEPT #4
- press the button 1 time(s)

- set #5 switch ON
- set #4 switch OFF
- press the button 5 time(s)

- set #6 switch ON
- set #5 switch OFF
- press the button 6 time(s)

- set #6 switch OFF => all data stored in Flash.
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with my 15/50, I put in 14.9% correction and my speedo is dead on
My stock error was 4.8%, and after I did my 15/50 it was 17.7%. Total odo error after 15/50 was 12.3%. I did my calibration at 123mph for 15 miles in 7 minutes 40 seconds.
Gun Shot said:
My stock error was 4.8%, and after I did my 15/50 it was 17.7%. Total odo error after 15/50 was 12.3%. I did my calibration at 123mph for 15 miles in 7 minutes 40 seconds.
you do realize Speedohealer has an alternate method that WILL NOT get you locked up doing it the way you did??? they have a calculator that gets you dead on, atleast in my case it did
saefirebird said:
Only way to calibrate it is using a speedo healer. The amount of error is not a constant, but a percentage......like you said, it will increase the faster you go. It is off roughly 15-18%.

Here are the calibration steps if you are using a Speedo Healer though:

SH Calibration Value to be stored: -15.6%
SH Conversion mode Value to be stored: 0

- the ignition must be OFF
- set ALL SH switches ON
- turn ON the ignition
- press the button => memory cleared

- set ALL switches OFF EXCEPT #4
- press the button 1 time(s)

- set #5 switch ON
- set #4 switch OFF
- press the button 5 time(s)

- set #6 switch ON
- set #5 switch OFF
- press the button 6 time(s)

- set #6 switch OFF => all data stored in Flash.
thanks alot dude. thats what i was looking for.:thumbup
Scott_R6 said:
you do realize Speedohealer has an alternate method that WILL NOT get you locked up doing it the way you did??? they have a calculator that gets you dead on, atleast in my case it did
Are you drunk? I'm not sure what planet your speedo healer came from, but the one mine came from has you determine the amount of factory speedo error using test mode first, then open the calculator and input the value you found after performing your tests under the heading 'Basic Data' in the 'Factory Speedo Error' field.

16. What is the "Speedo-to-Odo error ratio"?

There is one speed signal which drives both the speedometer and the odometer.

However, the manufacturers make the display units such a way that the speedometers usually read high, while the odometers are quite accurate on stock vehicles.

Speedo to odo error ratio is the quotient of the indicated speed, and the speed which drives the odometer internally.

This error ratio is fixed in the dashboard logic, i.e. it's bike model specific and will be constant no matter what you change on your bike.

The speedo to odo error ratio is almost the same as the initial (factory) speedo error, considering that the odometers are usually accurate on stock vehicles.



17. How can I determine the factory speedo-to-odo error ratio on my motorcycle?

You can easily measure this with your SH:

- Switch the SH into test mode (#1 ON, the rest: OFF)

- Turn on the ignition and the RUN switch

- Press the SH's button several times until you get a high reading on your speedometer (e.g. 258 km/h), BUT avoid using the highest number that your speedo can indicate (e.g. 299km/h, 185mph, etc.)

- Start a stopper watch and reset the tripmeter at the SAME time

- Stop the stopper watch at a given distance on the tripmeter. For accurate calculations, let it go for at least 10.0 kms/miles.

- Turn off the ignition and set the SH into normal mode (all switches in OFF position)



Now, you have the following data:

- Indicated speed on the speedometer

- The measured distance versus time



Based on these data, you can calculate the "speed by odo" value, then you can compare the speed indicated by the speedometer and the speed which drived the odometer.



Formulas:

Speed by odo = Distance / Time x 3600

Error ratio = [ (Indicated Speed / Speed by odo) - 1 ] x 100



See THIS picture as an example. In this case:

Indicated speed = 258 km/h

Speed by odo = 20.0 km / 293 sec x 3600 = 245.73 km/h

Error ratio = [ (258 / 245.73) - 1 ] x 100 = +4.99% --> +5.0 %



As you can see, the speedo to odo error ratio is +5.0% for this bike (CBR954RR).

It means that if the odometer was 100% accurate on a stock bike, then the initial (factory) speedo error would be +5.0%.
That is of course unless you totally skipped that part, in which case chances are your speedo calibration wouldn't be 'dead nuts' accurate. Nor would you have actually thought I rode my bike on the street at 123mph for 15 miles and timed it to 7 minutes and 40 seconds.

It's all good though dude, whatever.
Gun Shot said:
Are you drunk? I'm not sure what planet your speedo healer came from, but the one mine came from has you determine the amount of factory speedo error using test mode first, then open the calculator and input the value you found after performing your tests under the heading 'Basic Data' in the 'Factory Speedo Error' field.



That is of course unless you totally skipped that part, in which case chances are your speedo calibration wouldn't be 'dead nuts' accurate. Nor would you have actually thought I rode my bike on the street at 123mph for 15 miles and timed it to 7 minutes and 40 seconds.

It's all good though dude, whatever.
well no Im not drunk, and my speedo IS dead on, my occupation allows me access to VERY accurate speed equipment
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