Mechanical Speedo with Front End Swap?

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08 Jun 2019 12:48 #805366 by nixon
Mechanical Speedo with Front End Swap? was created by nixon
I've got a 1981 KZ750H LTD with a front end swap from a CBR600 F4 and I love the original mechanical speedo. I'm wondering if anyone has ideas on how it would be possible to keep the speedo with the new front end swap, or if I would have to switch over to a digital speedo?

Thanks!

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  • Scirocco
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  • Never change a running system
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08 Jun 2019 13:27 #805369 by Scirocco
Replied by Scirocco on topic Mechanical Speedo with Front End Swap?
Do you have any pics of your front end swap???
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode

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08 Jun 2019 17:00 #805373 by nixon
Replied by nixon on topic Mechanical Speedo with Front End Swap?
Here is a picture of the swap, just has a bunch of tape on it to protect it during the build.
Attachments:

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  • TexasKZ
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08 Jun 2019 17:05 - 08 Jun 2019 17:10 #805374 by TexasKZ
Replied by TexasKZ on topic Mechanical Speedo with Front End Swap?
Does the Honda speedo take its reading from the front wheel like KZs with electronic speedo? If so, does the drive on the wheel look like it will accept the KZ drive?
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
Last edit: 08 Jun 2019 17:10 by TexasKZ.

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08 Jun 2019 17:58 #805379 by nixon
Replied by nixon on topic Mechanical Speedo with Front End Swap?
Thanks for the idea, but it's unfortunately not run mechanically off the front wheel.

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  • Scirocco
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08 Jun 2019 18:15 #805381 by Scirocco
Replied by Scirocco on topic Mechanical Speedo with Front End Swap?
I am happy with my KOSO RX2N+ GP upgrade.

My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
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09 Jun 2019 10:47 #805412 by davido
Replied by davido on topic Mechanical Speedo with Front End Swap?
I swapped from a 19 inch CSR wheel to a 17 inch ZXR wheel and just connected the ZXR mechanical drive up to the CSR clocks. I measured the length I needed and got a cable from Z1 enterprises (no idea what bike its from). Works fine. No idea how accurate it is but Im sure its close enough.
www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)

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09 Jun 2019 11:31 #805416 by nixon
Replied by nixon on topic Mechanical Speedo with Front End Swap?
Sounds like an easy solution. I was hoping to do the same, but it's a speed sensor on the CBR, not a mechanical drive.

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09 Jun 2019 11:37 #805417 by davido
Replied by davido on topic Mechanical Speedo with Front End Swap?
Ok. Cant help you there.
www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)

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09 Jun 2019 13:01 - 09 Jun 2019 13:06 #805425 by martin_csr
Replied by martin_csr on topic Mechanical Speedo with Front End Swap?
By nixon: Sounds like an easy solution. I was hoping to do the same, but it's a speed sensor on the CBR, not a mechanical drive.

You're probably going to have to get a digital speedometer then add a speed sensor to the front wheel or whatever sensor they use. From the diagram, the Honda seems to have the speedo sensor located on the crankcase. Trying to adapt a KZ speedo drive to the Honda front wheel is probably near impossible.

....
1981 KZ650 Competition Sports and Road
Last edit: 09 Jun 2019 13:06 by martin_csr.

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09 Jun 2019 18:43 #805437 by nixon
Replied by nixon on topic Mechanical Speedo with Front End Swap?
That was my thought as well unfortunately. Thanks for the input. I'll search for a digital speedo with the vintage appeal.

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