BMW K bikes (Bricks)

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1Back to top Go down    Speed sensor replacement. on Thu Sep 01, 2016 7:40 am

Oliveri

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Ok, finally replaced the original instrument cluster with an Acewell. As I used the new speed sensor that came with the Acewell I was wondering if I could replace the original rear drive sensor with some kind of plug, bolt or cover.

Any ideas?


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"Keep the paint up, and the rubber down
1988 K100RT...#0096960 ..."Heisenberg"...Status: Work in progress
http://www.vintagesteelworks.com
    

2Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 12:58 pm

robmack

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I build a card that has the circuit to convert the signal from the rear sensor to one that is compatible with the Acewell. Keep the OEM sensor and ditch the Acewell one. Problem solved.



Picture above shows the part of the card with the speed amplifier; just this part can be constructed, don't need the whole thing.


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Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

3Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 1:06 pm

duck

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Large hardware stores often have a section with miscellaneous plastic car parts. I'd bet you could find a plastic plug with a similar diameter to the speedo sensor hole.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
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4Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 2:24 pm

Crazy Frog

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Why removing the original sensor?
Just unplug it.


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1986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

5Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 6:11 pm

Oliveri

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I like that idea Rob. Is this part of your relay that overcomes the neutral switch issue? Because I haven't done anything about that yet, still pulling the clutch to start my bike.


__________________________________________________
"Keep the paint up, and the rubber down
1988 K100RT...#0096960 ..."Heisenberg"...Status: Work in progress
http://www.vintagesteelworks.com
    

6Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 6:15 pm

robmack

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@Oliveri wrote:I like that idea Rob. Is this part of your relay that overcomes the neutral switch issue? Because I haven't done anything about that yet, still pulling the clutch to start my bike.
Yes, it is. I can build just the amplifier part for $21.00. Then the start enable/neutral detect/gear display is the remainder of the card. A totally functional board with all features goes for $75.00 (poor CAD/USD exchange is driving up my costs).


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

7Back to top Go down    Re: Speed sensor replacement. on Thu Sep 01, 2016 9:00 pm

Two Wheels Better

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My board just arrived, courtesy of RobMack. It's compact at about 50mm x 50mm square (about 2") and barely 12 or 13mm tall.
cheers


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1987 K100RS, '93 K11/K12 hybrid 'Big Block', '09 K1300GT, '07 K1200R, '04 R1150RT, '95 R100 Mystic, '77 R75/7.
Have we accomplished half of what we dreamt we would? There may still be time.
    

8Back to top Go down    Re: Speed sensor replacement. on Fri Sep 02, 2016 10:56 am

Oliveri

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That sounds good to me everything on the one board...Rob can you give me your details? Once I've paid for all the usual September bills. I'll throw $75 CAD your way.

Getting it all sorted in one go would be excellent and much appreciated.


__________________________________________________
"Keep the paint up, and the rubber down
1988 K100RT...#0096960 ..."Heisenberg"...Status: Work in progress
http://www.vintagesteelworks.com
    

9Back to top Go down    Also interested on Fri Sep 02, 2016 12:29 pm

mjbtdi

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Hey i am also interested in your board, can you post some pics of one.

    

10Back to top Go down    Re: Speed sensor replacement. on Fri Sep 02, 2016 3:43 pm

Two Wheels Better

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@mjbtdi wrote:Hey i am also interested in your board, can you post some pics of one.

Look up at post number 2.


__________________________________________________
1987 K100RS, '93 K11/K12 hybrid 'Big Block', '09 K1300GT, '07 K1200R, '04 R1150RT, '95 R100 Mystic, '77 R75/7.
Have we accomplished half of what we dreamt we would? There may still be time.
    

11Back to top Go down    pics on Sat Sep 03, 2016 11:09 pm

mjbtdi

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yeah i saw that, would be good to get a pic of overal board, i want to get an idea of shape and ways to mount, also to see how to connect inputs and outputs.

    

12Back to top Go down    Re: Speed sensor replacement. on Sun Sep 04, 2016 4:29 am

robmack

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mjbtdi,

The user guide for the board is available on my Google Drive. Link is below:

https://drive.google.com/folderview?id=0B3UPbNZRyr1rd2JrNGI0UHBsOTA

The card is about 50mm x 50mm in size. I can provision the display with any length cable to facilitate the card being located separate from the display.

Send me a PM if you'e interested.


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

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