Speedo issue - BMW Luxury Touring Community
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post #1 of 4 Old Dec 28th, 2012, 7:52 am Thread Starter
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martin280s's Avatar
Join Date: Sep 2011
Location: Jundiai, Sao Paulo, Brazil
Posts: 124
Speedo issue

Season greetings fellow BMW riders!

On the whole my K100RS is trouble free, only requiring minor maintenance.
However, last Saturday I went a little too quickly over a speed bump and since
then my speedo has been intermittant. I've has a look and I can't see any
obviously lose wires or connectors. I even opened up the speedo pod and nothing
seemed a miss. Suggestions please and thanks in advance.

1999 BMW K1200LT "Galatea"
1976 MERCEDES-BENZ 280S "Lady Genevieve"
1993 MERCEDES-BENZ S320 "Lady Audrey"
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post #2 of 4 Old Dec 29th, 2012, 4:33 pm
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Join Date: Dec 2005
Location: Winnebago, IL, USA
Posts: 1,178
Re: Speedo issue

When I had the 85K100RT the connectors in the back of the instrument cluster would work loose and randomly cause the speedometer to fail. Another problem some of these had was the connectors on the inside of the cluster. These can work loose over time and cause the problem you are experiencing.

Could also be the sensor wire or the pickup is dirty on the final drive.

Roy Gregersen

Ride Slow, Ride Fast, Always Ride Safe
85 K100RT sold
02 LTC DOA 9/21/14
12 R1200RT
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post #3 of 4 Old Dec 29th, 2012, 4:54 pm
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Join Date: Nov 2006
Location: Belton, Tx, USA
Posts: 100
Re: Speedo issue

Ride the bike and see if the turn signals self cancel. If so, the sensor on the FD and the connection near the rear brake reservoir are good. Both times mine quit, the problem was corrosion in the connection.

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post #4 of 4 Old Dec 31st, 2012, 11:38 am
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Location: , fl, usa
Posts: 464
Re: Speedo issue

Had same problem. Take all elect connections in pod and outside and twist the terminals (tiny bit) with small needle nose pliers then re assemble with never seize. Never seize is a great conductor. This worked on my last 2 k bikes
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