bad tach cable? - Kawasaki Motorcycle Forums
 
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post #1 of 6 (permalink) Old 08-10-2019, 01:19 PM Thread Starter
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bad tach cable?

I seen bad tach cables that snap & then the tach needle doesn't move at all, but on my bike a 1983 kz440 ltd I just noticed today the needle does move but hardly at all. it moves slightly up with high engine revs, but nowhere near the correct reading. can the cable be bad?
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post #2 of 6 (permalink) Old 08-10-2019, 09:12 PM Thread Starter
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I did remove the cable where it goes into the engine & it's not snapped it's intact & heavily greased so what the **** could be goin on? bad tach itself? with only 799 miles on the bike? I spun the inner cable with it still connected to the tach & the needle barely moved....
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post #3 of 6 (permalink) Old Yesterday, 10:51 AM
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Did you remove the inner cable from the outer sheathing for inspection? I was thinking that the inner cable is broken, so part of it is spinning with the tachometer drive at the engine, and the other part is making contact & spinning enough to move the tach needle. Another possibility is that the inner cable ends aren't properly seated.




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1981 KZ650-CSR. Competition, Sports & Road.
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post #4 of 6 (permalink) Old Yesterday, 04:59 PM Thread Starter
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Quote:
Originally Posted by martin-csr View Post
Did you remove the inner cable from the outer sheathing for inspection? I was thinking that the inner cable is broken, so part of it is spinning with the tachometer drive at the engine, and the other part is making contact & spinning enough to move the tach needle. Another possibility is that the inner cable ends aren't properly seated.




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it seems to be alright. I did order a n.o.s. cable for $28.00 so i'll compare them to each other. if it's not the cable must be in the tach or the cable drive in the cylinder head, but it's a 799 mile bike can't believe either could be bad....
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post #5 of 6 (permalink) Old Today, 01:50 PM
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I would remove the inner cable to inspect it.
Another possibility could be a problem with the tachometer.





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1981 KZ650-CSR. Competition, Sports & Road.
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post #6 of 6 (permalink) Old Today, 05:38 PM Thread Starter
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Quote:
Originally Posted by martin-csr View Post
I would remove the inner cable to inspect it.
Another possibility could be a problem with the tachometer.





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this might be in the tach itself. another person was complaining on another forum about the same thing happening & he was able to take it apart to lube the bearings & it responded. this one looks to be pretty sealed up so I might be better off just swapping it with another used one or they have n.o.s. ones as well....
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