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#266868 - 07/26/09 10:34 pm smiths speedometer repair
maxwell Offline
BritBike Forum member

Registered: 08/25/05
Posts: 99
Loc: UK
Hi there

Has anybody any basic maintenance advice for one of the smiths speedometers?

I have an 80 mph one on my b32, It works but sometimes the needle leaps around erratically showing all kinds of random speeds.
Is there a way to maintain them or fix this probem?

Thanks

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#266875 - 07/27/09 12:05 am Re: smiths speedometer repair [Re: maxwell]
Mr Mike Online   content
BritBike Forum member

Registered: 08/06/01
Posts: 3566
Loc: Cape Carteret, NC
max,
About par for the course for a Smiths. I think there was a thread on repairing these speedos some time back. I have not had any good luck sending them out to be fixed. Might just try it myself sometime. What could be worse it flutters all around anyway. there are some aftermarket speedos for about the same price as a repair...Taiwanese I think. Maybe someone will chime in.

Mr Mike

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#266879 - 07/27/09 12:29 am Re: smiths speedometer repair [Re: maxwell]
JD Offline
Life member

Registered: 01/18/06
Posts: 1442
Loc: Merry Land
I started a post on that very topic. Check out what Mike and others told me: Smith's repair
_________________________
1973 BMW R75/5
1970 BSA Lightning
1952 BMW R51/3

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#266900 - 07/27/09 2:28 am Re: smiths speedometer repair [Re: JD]
Gordo in Comox Offline
BritBike Forum member

Registered: 09/10/01
Posts: 2287
Loc: Comox BC Canada
Maxwell; Is that a chronometric speedo you have. Most of the advice seems to be for magnetic types.

However if you look in members Projects under "1955 Triumph Thuderbird WVK 345" on page seven you will find a lot of good information on sorting out the chronometric.

Gordo
_________________________
Without frequent roadside repairs there is no fun in riding!

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#266904 - 07/27/09 3:41 am Re: smiths speedometer repair [Re: Gordo in Comox]
A.k.a Homer Offline
BritBike Forum member

Registered: 11/11/01
Posts: 220
Loc: Ponoka ,Alberta,Canada
check the cable is not push in to much.that will kill it.

Aka Homer
_________________________
A day with out learning something new is a bad day indeed.

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#266930 - 07/27/09 9:23 am Re: smiths speedometer repair [Re: A.k.a Homer]
BSA_WM20 Online   content
BritBike Forum member

Registered: 05/05/04
Posts: 2791
Loc: Sydney Australia
Usually it is either the cable or the drive and not the head although if it has not been to the shop since BSA installed it then it is way over due for a clean & lube.
_________________________
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Trevor

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#267030 - 07/27/09 7:54 pm Re: smiths speedometer repair [Re: BSA_WM20]
maxwell Offline
BritBike Forum member

Registered: 08/25/05
Posts: 99
Loc: UK
Hi there thanks for the pointers, I cannot seem to get the search function to work so couldnt find the other threads.
This is the first time the bike has been ridden for about 15 years i think. Speedo worked fine for about 100 miles, then it started to go wrong.

I'll check those links

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#267049 - 07/27/09 8:36 pm Re: smiths speedometer repair [Re: maxwell]
Semper Gumby Online   content
BritBike Forum member

Registered: 02/12/07
Posts: 1637
Loc: Atlanta, GA USA
+1 an what the others said but if you do need a rebuild of your original intrument...

Joel Levine in Atlanta GA did a great job re-doing the Smiths for the Firebird.

http://www.joellevinecompany.com/custompage.asp?pg=vintagegage
_________________________
Solid lifters save lives.

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#267739 - 07/30/09 7:46 pm Re: smiths speedometer repair [Re: Semper Gumby]
Brummie Offline
One time poster

Registered: 07/30/09
Posts: 1
Loc: Canada
Had the same prob with my speedo, took the cable out, sprayed a bit of WD40 up inside, unorthodox, but it worked and the needle is as steady as a rock.

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