Confirm Tachometer cable length

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20 May 2025 13:27 #912647 by Injected
Confirm Tachometer cable length was created by Injected
Odd question, but could someone confirm the length of a KZ900/Z1 tachometer cable for me?

I have a KZ650 tach cable on the bike and confirmed it is about 26-1/4" + (measured on bike) The current cable is at its limit fit wise because it has to route under a big oil cooler. I was hoping a Z1 cable might be slightly longer.

The two cable part numbers say they only fit those bikes, KZ650/KZ750-4 or KZ900/Z1/KZ1000. I am getting conflicting results when looking up online saying they are interchangeable.
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike

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  • sf4t7
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20 May 2025 13:37 #912648 by sf4t7
Replied by sf4t7 on topic Confirm Tachometer cable length
Hey, Injected. If you can wait, I'll measure mine this weekend and let you know.
Scotty

1974 Z1A
Yoshimura 987, 10.25:1
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
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20 May 2025 14:13 - 20 May 2025 14:14 #912650 by Injected
Replied by Injected on topic Confirm Tachometer cable length

Hey, Injected. If you can wait, I'll measure mine this weekend and let you know.
I can wait, its on there and working, but its not optimal. Its not going to stop me building and starting the engine.

Thanks.
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
Last edit: 20 May 2025 14:14 by Injected. Reason: info
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  • SWest
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20 May 2025 14:53 #912654 by SWest
Replied by SWest on topic Confirm Tachometer cable length
My old one looks to be 26/1/4". It's aftermarket. 

 
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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20 May 2025 19:02 #912664 by Injected
Replied by Injected on topic Confirm Tachometer cable length
Well that confirms they are the same length as the 650/750 part. I was hoping they were longer but its not a big deal, will just use whats on there.
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
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