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Author Topic: WTB Speedo  (Read 8764 times)

Offline kylemb

  • ^ Motobrick Curious
  • Posts: 56
WTB Speedo
« on: July 11, 2016, 01:44:44 PM »
Looking for Speedo only or whole instrument cluster for a good deal. i only need the speedo section so if you have a cluster where only the speedo works, lets talk.
i have a bike with some electrical gremlins that i still cant put my finger on, it apparently shot my speedo. not knowing thats what did it, i put my other Ks cluster on and now the speedo doesnt work on it either. go figure.  :mbird
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline kylemb

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  • Posts: 56
Re: WTB Speedo
« Reply #1 on: July 18, 2016, 10:56:38 AM »
bump still lookin  :euro
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline Motorhobo

  • +25 years of K75
  • ^ Quintessential Motobricker
  • Posts: 1530
Re: WTB Speedo
« Reply #2 on: July 18, 2016, 11:19:41 AM »
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1994/1995 K75 ABS Frankenbike: original engine 136k miles, frame from Gary Weaver (RIP), 173k miles -- Current Odometer: 198k miles
1994 K75 since 2013, 82,000 mi (19k mine) w/California Sidecar Friendship II Sidecar & Black Lab 'Miss B' - RIP

Past: 1974 Honda 550/4 (first bike), 1994 K75 (sold), 1995 K75 ABS (parts bike), Sidecar Dog & Best Bud 'Bo' - RIP

Offline kylemb

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  • Posts: 56
Re: WTB Speedo
« Reply #3 on: July 18, 2016, 11:21:41 AM »
Quote from: Motorhobo on July 18, 2016, 11:19:41 AM
There appear to be three K100 ones on ebay, but not cheap:

http://www.ebay.com/sch/i.html?_odkw=bmw+k75+instrument&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.Xbmw+k100+instrument.TRS1&_nkw=bmw+k100+instrument&_sacat=0

yea i've been checking ebay, but that place is a price gouger for sure & i havent really seen anything worth getting
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline Laitch

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Re: WTB Speedo
« Reply #4 on: July 18, 2016, 12:00:59 PM »
Quote from: kylemb on July 11, 2016, 01:44:44 PM
i have a bike with some electrical gremlins that i still cant put my finger on, it apparently shot my speedo. not knowing thats what did it, i put my other Ks cluster on and now the speedo doesnt work on it either. go figure.  :mbird
If your rear drive's speed sensor is shot or its connection with the speedometer is compromised, kylemb, getting another speedometer isn't going give you a different result. Have you ruled that out?
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline kylemb

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  • Posts: 56
Re: WTB Speedo
« Reply #5 on: July 18, 2016, 12:03:51 PM »
Quote from: Laitch on July 18, 2016, 12:00:59 PM
If your rear drive's speed sensor is shot or its connection with the speedometer is compromised, kylemb, getting another speedometer isn't going give you a different result. Have you ruled that out?

yes
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline Laitch

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Re: WTB Speedo
« Reply #6 on: July 18, 2016, 12:07:58 PM »
Was the replacement you tried verified to be functioning before it was installed?
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline kylemb

  • ^ Motobrick Curious
  • Posts: 56
Re: WTB Speedo
« Reply #7 on: July 18, 2016, 12:19:50 PM »
Quote from: Laitch on July 18, 2016, 12:07:58 PM
Was the replacement you tried verified to be functioning before it was installed?

yea i have two k100s. a black 85 RT and brown 88 LT. both bikes speedos were working. the brown bike's speedo stopped working when i replaced the loom. i didnt think about a short so i put the *working* black bike speedo on the brown bike and still no speedo. when i put the black bike's speedo back on the black bike, it no longer worked. so im about 95% sure theres an short in my brown pos.
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline Laitch

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Re: WTB Speedo
« Reply #8 on: July 18, 2016, 12:25:39 PM »
Quote from: kylemb on July 18, 2016, 12:19:50 PM
yea i have two k100s. a black 85 RT and brown 88 LT. both bikes speedos were working. the brown bike's speedo stopped working when i replaced the loom. i didnt think about a short so i put the *working* black bike speedo on the brown bike and still no speedo. when i put the black bike's speedo back on the black bike, it no longer worked. so im about 95% sure theres an short in my brown pos.
Your thinking is that the circuitry in the speedos is being fried by a defect in the wiring but you haven't yet found that defect?
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline kylemb

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  • Posts: 56
Re: WTB Speedo
« Reply #9 on: July 18, 2016, 12:32:37 PM »
Quote from: Laitch on July 18, 2016, 12:25:39 PM
Your thinking is that the circuitry in the speedos is being fried by a defect in the wiring but you haven't yet found that defect?

yea i've known there are gremlins in the brown bike for some time. they were there before i put the new loom on. im assuming they are somewhere in the relays. i haven't isolated the short in the brown bike yet, no. im just about tired of messing with it to be honest. at this point i just want a working speedo on my black bike so i can enjoy it. im not 100% sure its a short, but having it work one minute and then putting it on another bike and now it doesnt work, is pretty conclusive evidence, to me, that it got fried on the brown bike. so, im getting a new one for old blacky, ride her, and enjoy the rest of the summer.
wait for gremlin hunting season when its colder.
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline Laitch

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Re: WTB Speedo
« Reply #10 on: July 18, 2016, 12:36:57 PM »
Thanks for indulging me, kylemb. Your final strategy is eminently sensible. Life is short but the roads are long and seductive. Ride them while you can.  :2thumbup:
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline kylemb

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  • Posts: 56
Re: WTB Speedo
« Reply #11 on: July 18, 2016, 12:42:13 PM »
Quote from: Laitch on July 18, 2016, 12:36:57 PM
Thanks for indulging me, kylemb. Your final strategy is eminently sensible. Life is short but the roads are long and seductive. Ride them while you can.  :2thumbup:

well i figured you were trying to stop me from doing something stupid like putting a working speedo on a bike i think has a short in it. nothing will be going on the brown bike until i figure its mess out. but my black bike is about to rejoin the flock of flying bricks & i figured if i'm going to be cruising at altitude i might as well get some stock airplane instrumentation to go along with the thrills.  :riding:
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  • North Alabama
  • 88 K100 LT // 85 K100 RT

Offline RetroTexan

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  • Posts: 61
Re: WTB Speedo
« Reply #12 on: July 28, 2016, 06:03:10 PM »
I have a Speedo/Tach Unit off a 1989 K100LT. I haven't listed it in my post yet but I'm looking to get $120 plus shipping for it.
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  • San Marcos, TX
  • 1990 K100 Custom Scrambler
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