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Speedo weirdness

 
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Locksim



Joined: 04 Apr 2013
Posts: 8
Location: Bath, Somerset

PostPosted: Tue Jul 01, 2014 2:08 pm    Post subject: Speedo weirdness Reply with quote

Argh! Weirdness returns, it's as tho, sometimes, my speedo is warming up. There is a lag as the speedo needle catches up with actual speed, then, briefly, it over-read by 15mph at 80mph! V worrying. I have cleaned the contact inside the speedo itself, remade the connector by the right side panel and am stuck. 90% of the time it is perfect, honestly officer. The other 10% is v disturbing. What could it be?
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K1100LT 1993
R1100RT 1996
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michaelcurrin
Flying Brick Rider


Joined: 01 Jun 2003
Posts: 329
Location: eastern NC

PostPosted: Wed Jul 02, 2014 9:03 am    Post subject: Reply with quote

I had some speedometer weirdness a few years back, never did figure it out for sure but when I replaced the battery I also disconnected and cleaned every electrical connector I could find and its worked ever since.

good luck
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Mike Currin
20 BMW R1250RS
93 BMW K1100RS / EML Speed 2000
06 Ducati ST3
67 Triumph 650 chopper
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rbm
Mad Brick Rider


Joined: 02 Jun 2009
Posts: 115
Location: Toronto

PostPosted: Wed Jul 02, 2014 9:04 am    Post subject: Reply with quote

Sounds more mechanical than electrical. Have you checked the servo motor and needle for any foreign matter that might be hanging it up? Careful cleaning around the pivot with a subtle paintbrush and some alcohol might help. Bench test the speedo with Karamba
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1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
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