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Discussion Starter · #1 ·
Today (after not getting stopped going through the speed trap...yea), I made it home for lunch.
After lunch, halfway back to office, I noticed the speedometer is not working.
It is an '05 Bonneville 790.
Is it a mechanical or electrical issue? I don't have a multimeter and electrical stuff mystifies me, sometimes.

I do have a Haynes manual and will read up tonight.
 

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Is the odometer still working? If neither is working, then it's probably the speedo cable. I had the original break on me, after 3 months of ownership. Either way, you should still be under warranty, a speedo cable is an easy replacement.
 

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The core is probably broken about 3" up from the bottom. Be sure and grease the core of the new one or you will go thru this again soon.
 

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Well, I've had nothing but good impressions from the Triumph dealership in Austin, so you should be just fine for a warranty action.
 

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Normandy, what do you mean by "the core" (of the speedo)?
 

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Discussion Starter · #7 ·
Thanks to all.
It was the cable that snapped as described.
I will reinstall myself as I bought the bike used.
The Haynes manual was, once again, very helpful.
 

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On 2006-12-14 19:46, Baltobonneville wrote:
Normandy, what do you mean by "the core" (of the speedo)?
.............................................


The core of the speedo cable. They come with a light oil which is ok for clutch cables but the speedo core turns at high speed and should be bathed in white grease to stand up long term.
 

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Now it makes sense! I call it the speedo wire. Thanks!
 

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Discussion Starter · #10 ·
I asked about whether to lube it or not. I was told it is teflon encased, and therefore needs no extra lubrication.
It was an easy install and < $40.
 

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Hey BonneRocker,
You might check with your dealership. I also bought my bike used just shy of one year old and I still have a year left on warranty. You don't have to be the original owner. They come with a 2 year warranty. Worth checking into. :wink:
 
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