Changing speedo from MPH to KMH

  • KZ1000inaus
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24 Jun 2012 07:15 #531395 by KZ1000inaus
Changing speedo from MPH to KMH was created by KZ1000inaus
this may be a silly question but to change my speedo over to KMH is it as simple as just fitting something like these?
or does some work need doing on the internals?

kz900.com/decals-kz1000-a.html

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24 Jun 2012 08:04 #531397 by 0Z.Z1R Mk2
Replied by 0Z.Z1R Mk2 on topic Changing speedo from MPH to KMH
I think you'll find it is that simple..... ;)

1976 KH 500 triple
1978 Z1R D1
1980 Z1R MK2
1983 Gpz750 turbo
2007 ZRX 1200r
1982 GSX 1000S Katana
1983 GSX 1000S Katana
Don't knock my turbo lag - it gives your naturally aspirated a chance..

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24 Jun 2012 08:57 #531402 by KZ1000inaus
Replied by KZ1000inaus on topic Changing speedo from MPH to KMH

0Z.Z1R Mk2 wrote: I think you'll find it is that simple..... ;)


Does anyone have any tips on getting the clocks apart?

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24 Jun 2012 09:02 #531403 by KZ1000inaus
Replied by KZ1000inaus on topic Changing speedo from MPH to KMH

KZ1000inaus wrote:

0Z.Z1R Mk2 wrote: I think you'll find it is that simple..... ;)


Does anyone have any tips on getting the clocks apart?


Just found this which looks like what i need !

kzrider.com/index.php?option=com_content...view&id=39&Itemid=11

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24 Jun 2012 09:33 #531410 by 650ed
Replied by 650ed on topic Changing speedo from MPH to KMH
I don’t think that will work for you. Take a close look at the 2 dials. If your speedo is currently a MPH model when you are moving 80 mph the needle is pointing strait up in the 12 o’clock position. The kph dial shows 120 kph at the 12 o’clock position, so at the exact same 80 mph speed you speedo would read 120 kph. Not good – because 80 mph actually = 128.74 kph so the speedo would not be accurate. Ed

Attachment 00000_2012-06-24.jpg not found


1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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24 Jun 2012 10:06 #531415 by Patton
Replied by Patton on topic Changing speedo from MPH to KMH
Japanese motorcycle speedometers are notoriously optimistic.
Needle pointing straight up at 80 is probably an honest 75 (or less).

75 mph = 120.7 kph

Under this theory, needle pointing straight up at 120 kph may reflect a more accurate road speed.

There's a thread around here somewhere about creating all sorts of diy speedo and tach faces.
Impress your passenger. Double 'em all. :lol:

Good Fortune! :)

1973 Z1
KZ900 LTD

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24 Jun 2012 19:18 #531491 by 0Z.Z1R Mk2
Replied by 0Z.Z1R Mk2 on topic Changing speedo from MPH to KMH

650ed wrote: I don’t think that will work for you. Take a close look at the 2 dials. If your speedo is currently a MPH model when you are moving 80 mph the needle is pointing strait up in the 12 o’clock position. The kph dial shows 120 kph at the 12 o’clock position, so at the exact same 80 mph speed you speedo would read 120 kph. Not good – because 80 mph actually = 128.74 kph so the speedo would not be accurate. Ed

Attachment 00000_2012-06-24.jpg not found


On closer inspection of those dials your right Ed... :P

I just had a quick look the 60 mph and figured that would be very close to our 100 kph.

1976 KH 500 triple
1978 Z1R D1
1980 Z1R MK2
1983 Gpz750 turbo
2007 ZRX 1200r
1982 GSX 1000S Katana
1983 GSX 1000S Katana
Don't knock my turbo lag - it gives your naturally aspirated a chance..

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