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#830103 11/17/20 12:49 pm
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Dingo3 Offline OP
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Hello, I came across this SMITHS speedometer in a box of parts that came with a car I bought. It appears to be from a Vincent motorcycle but the number on the face (S.576) is missing the L or K at the end. So I’m not sure if the Vincent origin is correct. It measures 5 inches across.
Anything that I can find out about this gauge would be appreciated. Not trying to sell at this time, I think it’s cool and just want to know more about it.
I can’t load any photographs from my phone for some reason so I hope the number is enough.Thanks

Edit: Discovered that is indeed from a Black Shadow

Last edited by Dingo3; 11/21/20 2:02 pm. Reason: New info
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Just a guess, but a firm called Auto Tempo Meter in the U.K. did reproduce these instruments after Vincent production had long ceased. I'm not sure, but perhaps the "L" signifies left-hand rotation. The "K" certainly denotes a dial in kilometres per hour. A photo of the back and front would certainly help.As far as I know no other machine had an S. 576 instrument.

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Thanks for the reply. I sent you a PM

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I think the 5inch speedo (as such) was originally fitment to Jaguars, the Vincent variant (of the Jag guts) had a specially cast aluminium body.
An original Vin fitment had a right angle gearbox at the cable entry, the gearbox was retained by a screw into the speedo body (this is usually a giveaway for determination of 'OEM' versions.
The Auto Tempo versions did not use a gearbox and the drive cable connected straight to the speedo and did not look so 'for the job' as the originals.
I seem to vaguely remember something about the AT version only having one light (the originals had two), but that may just be old age playing me up!

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The esoteric knowledge of folks on this forum always amazes me.


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Originally Posted by Hugh Jörgen
The esoteric knowledge of folks on this forum always amazes me.

Just a question of being around at the time when spares were getting very sparse and the bikes were still being used for their intended purpose, and not yet (just about) being old enough that the memory is kaput !!

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Dingo3 Offline OP
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I decided to sell the speedometer. I was told that it is from a Black Shadow. I can’t post photos but I can send a bunch from my phone to an email. Please PM if interested and I will check the mail regularly. $950 I live in Southern Maryland if you want to see it up close. Thanks, Phil

Last edited by Dingo3; 06/05/21 4:08 am.
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Open to reasonable offers.

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Sold locally, thanks for the ad.


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