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Old 04-03-2012, 11:56 AM   #1
mrfortynine OP
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Joined: Feb 2012
Location: San Francisco bay area
Oddometer: 67
cafe'ish instrument cluster for 92' R100R.

Hi,

I'm thinking to give a cafe look to my 92" R100R. But I couldn't figure out what to do with the ugly instrument housing. I want to make the instrument cluster a little slimmer. The only off-the-shelf solution I can think of is using the Mystic instrument mount, which is being sold at $450.

I wonder if anyone has seen any nice set up that I can use as reference.

cheers
Jia
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Old 04-03-2012, 12:37 PM   #2
Tankad
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Do a search for Acewell. There has been a ton of write ups and builds on this forum.
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Old 04-03-2012, 12:57 PM   #3
KhaoSanMan
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I'm working on an R myself and for the meantime will be using a trail tech vapor dash with the extra idiot light housing. I plan to upgrade to the acewall when I have the cash.

One cool thing about the trailtech idiot light housing is that the stock bulbs fit right in, so less wiring to deal with. There are only four though, so you have to eliminate two. I chose to lose the turn signal lights cause I can just look at the front indicators to see what is going on.
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Old 04-03-2012, 02:27 PM   #4
Airhead Wrangler
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If you don't mind dropping a lot of money these look really nice:

http://motogadget.com/analoginstrumente.html
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Old 04-03-2012, 02:58 PM   #5
KhaoSanMan
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Quote:
Originally Posted by Airhead Wrangler View Post
If you don't mind dropping a lot of money these look really nice:

http://motogadget.com/analoginstrumente.html
Now those are nice!


One more note to add is the speedo cable and how that interacts with these aftermarket units. Acewall sells a unit that uses the speedo cable/boot in its stock location. Again more expensive, but also cleaner and easier to install than the magnetic pick-ups found on many of the other units. I've considered running the trailtech's pick-up to the rear wheel to keep the front-end clean, but would have to configure it correctly for wheel size, etc.
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Old 04-04-2012, 04:14 AM   #6
Sic Semper Tyrannis
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speiglerusa has motogadget.....makes acewell look like a bargain!!!

http://www.spieglerusa.com/gauges-in...noclassic.html
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Old 05-24-2012, 04:04 AM   #7
luxlogs
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Acewell 2802 ia the correct model # for Airheads, no gen lite in unit.
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Old 03-29-2015, 09:43 AM   #8
johanhej
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Anyone done a successful cluster change on an R100R?

I'm finding the stock setup far too big. Disassembled everything, hope the depth would be shorter, but turns out this wasnt the case.
Ideally I'd like to get the motogadget, although this is quite pricey. I could probably just do with only speedometer and warning lights.

Any input is appreciated.
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Old 03-29-2015, 01:18 PM   #9
Uke
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Jim Day did a cool mod to his R100R instruments seen in his build thread, the price was right, too.

http://www.advrider.com/forums/showthread.php?t=946283
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Old 03-29-2015, 01:34 PM   #10
Jim Day
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Quote:
Originally Posted by Uke View Post
Jim Day did a cool mod to his R100R instruments seen in his build thread, the price was right, too.

http://www.advrider.com/forums/showthread.php?t=946283
Thanks for the compliment..

Not really cafe style but I lowered and reduced the size of mine. No need to read the whole thread, here's a few pics:

With the original fork and bars..





With the Showa USD fork and Renthal bars

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Old 03-29-2015, 05:14 PM   #11
CafeDude
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These are small and look the part......

http://www.dimecitycycles.com/2-5-in...ripometer.html

http://www.dimecitycycles.com/vintag...-25-7080b.html
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Old 03-30-2015, 12:04 AM   #12
johanhej
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Jim, I've seen your solution before and it's a great Improvement to stock. I think the R100R should've been delivered more like that. I'm however looking for something even neater.

Cafedude, that is exactly what I'm after. Just going with the speedo setup I think. I haven't checked if it has all the warning lights, but it does seem to cover it!
I'll probably order one of those, or very similar.

Anyone know the correct ratio for the mechanical speedo?
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Old 03-30-2015, 02:21 AM   #13
Hogberg
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Hello,
I am also searching for a smaller replacement speedometer for my R80/7 and this one has caught my attention,
http://www.kickstartershop.de/en/ins...-bmw-48mm-k071

Best regards,
Anders
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Old 04-01-2015, 01:27 AM   #14
johanhej
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Quote:
Originally Posted by Hogberg View Post
Hello,
I am also searching for a smaller replacement speedometer for my R80/7 and this one has caught my attention,
http://www.kickstartershop.de/en/ins...-bmw-48mm-k071

Best regards,
Anders
That does look nice too. No warning lights though :(

This one has K=0.7 though. The one mentioned before has K=1.4.
Going buy this page
http://bmwmotorcycletech.info/ringgears.htm
I'm assuming R100R is the 4th row (3.09 ring gear ratio). Does the 7th column correspond to "K-ratio"?

Would it be possible to convert the K-ratio of my bike so I could use speedometers with K=1.4?
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Old 04-01-2015, 10:18 AM   #15
knary
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Quote:
Originally Posted by CafeDude View Post
Neither will work.
You can use an electronic tach, if it's appropriate for a wasted spark ignition. A dual spark tach for a Harley should work. A mechanical drive tach, like the one above, will not.

Mechanical speedometers need to not only have the right size fitting, but more importantly, the correct ratio. BMW's ratios are, to put it mildly, weird. They vary depending on the gearing of the final drive. This is why there are so few options for our bikes. Acewell, motogadget, and anything that has it's own pickup like a bicycle uses.
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