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Author Topic: I think I figured out my crappy mileage.....  (Read 4314 times)

Offline Chaos

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  • Posts: 3157
  • Mars needs women!
I think I figured out my crappy mileage.....
« on: October 14, 2017, 05:52:47 PM »
it just kept getting worse :dunno ,  these were shot a couple days and a full tank of gas apart, I suspected the odo might be getting flakey this pretty much confirms it.  Anyone got an old cluster with good gears really cheap, like for postage :hehehe
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  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline Martin

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  • Posts: 4475
Re: I think I figured out my crappy mileage.....
« Reply #1 on: October 14, 2017, 06:02:45 PM »
New gears are available, the OEM ones are actually made out of cheese or tofu.I had mine disintegrate at 140,000 Ks. It's not hard to do them just be gentle.
Regards Martin.
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline K1300S

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  • Posts: 1293
Re: I think I figured out my crappy mileage.....
« Reply #2 on: October 14, 2017, 10:38:02 PM »
Www.odometergears.com

Great guys to work with.
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Project Thread "K75s Midlife Refresh"
http://www.motobrick.com/index.php/topic,7810.0.html

Offline Chaos

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Re: I think I figured out my crappy mileage.....
« Reply #3 on: October 15, 2017, 12:42:42 AM »
this will be my 3rd set.  I think I'll just figure mileage by the stars and low fuel warning light for a while
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  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline Martin

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  • Posts: 4475
Re: I think I figured out my crappy mileage.....
« Reply #4 on: October 15, 2017, 01:19:35 AM »
I was told by an instrument restorer in Brisbane not to lubricate the gears. Apparently the lube can react with the gears turning them into cheese, tofu.
Regards Martin.
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Laitch

  • Faster than a speeding pullet
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Re: I think I figured out my crappy mileage.....
« Reply #5 on: October 15, 2017, 06:43:50 AM »
Quote from: Chaos on October 15, 2017, 12:42:42 AM
this will be my 3rd set.
Here's an article that suggests your problem with the odometer might be with the pins of its electrical connector instead of its gears.
http://www.k100.biz/Electr/_NT/NT_speedo_repair.pdf

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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline gone_ape

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  • Posts: 135
  • 94 K75RT (Now Standard)
Re: I think I figured out my crappy mileage.....
« Reply #6 on: October 15, 2017, 12:51:51 PM »
By the sounds of it, looks like you've replaced them before....however, If it comes down to replacing the gears...it's actually not too much a daunting task...I did it, you can too.....True, I've been told NO LUBE on the replacement gears...run them dry.

Tutorial here:  http://m.odometergears.com/documentation/BMW_Motorcycle_MotoMeter_Odometer_Gear_Replacement-.pdf
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  • Austin, TX
  • 94 K75RT (Now Standard)
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