BMW K bikes (Bricks)

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1Back to top Go down   Instrument panel dissection Empty Instrument panel dissection Thu Jan 26, 2012 8:24 pm

Moto Smith

Moto Smith
Silver member
Silver member
I have a new onset of intermittent and now zero speedo after bump.
I've read some of the other threads.
I have continuity up to the instrument panel - yellow wire. Both yellow and brown are good thru the clip above the radiator reserve.
I want to take off the printed circuit board to check the connection there.
I'm referring to page 331 of the Clymers book - image #208 & 9.

In 208 Clymers shows a screw - fine.
I have a bunch of resisters next to this screw that's attached - these are not shown in fig 208.

My rear cover has a MotoMeter sticker with a number 1 459 544 616 036 2003 (Are the last four digits a year of manufacture date?) - which is going to be very forward thinking for a 1987 bike.

So back to image 208 - is this really one of the screws to remove the printed circuit or...


Cheers, M

http://www.markaspery.com
    

2Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Thu Jan 26, 2012 9:21 pm

Oldgoat

Oldgoat
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Any chance to post a pic of what you've got in front of you M?


OG

    

3Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Thu Jan 26, 2012 10:17 pm

Moto Smith

Moto Smith
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@Oldgoat wrote:Any chance to post a pic of what you've got in front of you M?


OG

Not now OG - I was feeling a-lot out of my depth. I pushed the circuit board onto the main instruments and closed it up.
I just got back from a ride with a working speedo.

The idea that BMW wants me to start chopping bits out of that lot, as a work around to intermittent speedo problems left me cold.
That's a job for a professional.

Someone had been there before - looking at the screw wear.
The 'O' ring wasn't positioned correctly - so I remedied that and wrapped all with electrical tape - just as the service bulletin tells you to.

Glad to see that you're still with us!

Fork question on your thread... I'll zip on over.

Cheers, M


http://www.markaspery.com
    

4Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Thu Jan 26, 2012 11:00 pm

Oldgoat

Oldgoat
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Not the cheapest, but they do excellent work.


http://www.paspeedo.com/

    

5Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Fri Jan 27, 2012 12:16 am

Moto Smith

Moto Smith
Silver member
Silver member
@Oldgoat wrote:Not the cheapest, but they do excellent work.


http://www.paspeedo.com/

I go near Palo Alto quite often - thank for that.
One thing that did come from getting the instrument panel off was that the rubber washers need to be replace - they were as hard as rock - which probably doesn't help.
I'm on my third tank of gas with the bike now and we are starting to understand each other a little better.
Aside from little temper tantrums like the speedo thing, I think we'll get on well together.

Cheers, M

http://www.markaspery.com
    

6Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Fri Jan 27, 2012 12:25 am

charlie99

charlie99
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moto ...quite often its the multipin connection (that lives under the protector ) on the instrument cluster

get yourself some "deoxit" works wonders


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OInstrument panel dissection Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

7Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Fri Jan 27, 2012 12:43 am

Moto Smith

Moto Smith
Silver member
Silver member
@charlie99 wrote:moto ...quite often its the multipin connection (that lives under the protector ) on the instrument cluster

get yourself some "deoxit" works wonders

That's my next move.

http://www.markaspery.com
    

8Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Fri Jan 27, 2012 12:44 am

Stan

Stan
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If all else fails, get yourself a pushbike speedo/computer. Mine was $20 a few years ago. It runs off a magnet on the front wheel.You get a speedo, trip, time, highest speed, average speed etc. All the info you need, whilst you battle with the gremlins of the BMW instruments.


__________________________________________________
1983 K100 basic vin 0003960 colour red  GONE
1987 K100RT vin 0094685 colour, orange peel, sorry, pearl..GONE
F800R black
    

9Back to top Go down   Instrument panel dissection Empty Re: Instrument panel dissection Fri Jan 27, 2012 3:30 am

Inge K.

Inge K.
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VIP
About multipin connector and internal instrument connections.
Have you spotted this thread ?

Since the answer in that thread was written I`ve also lost the connection between pin
and the conductive film due to corrosion at one of speedo connections.

Cured this by soldering between the pin and the conductive film.
Earlier I`ve soldered a thin wire (0,2 mm2) between respective pins, due to
to much corrosion or to thight place at the conductive film.
-------------------------------------------------------------------------------------------------
Another known cause for speedo failure is the three pin connector at the end of the conductive
film which is connected at the top/rear of the speedo.
I have a piece of rubberfoam on the rearside of this connector, to add a slight pressure to the connector.
(It was allready a factory mounted piece of foam at this spot, which was to weak).

Inge K.



Last edited by Inge K. on Fri Jan 27, 2012 3:55 pm; edited 1 time in total (Reason for editing : Adding info.)

    

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