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Discussion Starter · #1 ·
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My tach keeps on fluctuating up and down on the lower rpm range and I'm just wondering if this is a cable or a instrument issue. I do have the cable twisted here and there since the bike is naked and didn't want it hanging all over the place. I wish I had a spare just to test it.
 

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Probably got a kink in the cable in the rear of the tach. Chech that, and hopefully, it has not split or messed up the cable.
Good Luck,
David
 

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I had the same issue with mine I pulled and lubed the cable then I pulled off the tach head and I put some wd40 in the hole where the cable goes in and it stopped the dancing. That was 5,000 miles ago.:action::action:
 

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Like Kim said, if you catch it early enough you can maybe save the cable with some lube. If not a new cable (or used from fleabay) is fairly cheap and pretty easy to change out.
 

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just a side note, as i agree with all of the prior diagnosis', however i thought the same and changed my cable with the opinion it was the cable, until last week, it got much worse, and started being very audible, i had to disconnect the cable from the tach, i sprayed w40 in the tach etc, but the tach is definitely shot in my case. outside of the tach the cable spins nicely without a noise.
 

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Discussion Starter · #7 ·
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So I guess I need to get the cable out and check it first. I can hook up a dremel tool to the tach and see what it does.

I think I'll deal with it later but for now I have a bigger problem. It's backfiring from the right side and I need to find out why. :headbanger:
 

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Had the same problem on my '78 years ago. The tach cable was fine. I had to remove the tach, turn it upside down and put a few drops of 3-in-1 oil in there. Let it sit overnight, re-installed and away it went. Just like new.

I've read that you can take them apart, clean them up, oil them and re-install. Check out this thread on the CX/GL500 forum:

http://choppercharles.com/cs/forums/130116/ShowPost.aspx
 

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My started dancing and singing. I tried lubing the cable and the tach but to avail. I have bought a tach off flea bay. When I get the 1100 back together I am putting the "new" to me tach and new cable on.
 
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