MOTOBRICK.COM
MOTOBRICK.COM => Welcome To Motobrick.Com => Topic started by: Trash Hauler on March 04, 2020, 04:35:35 PM
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Hi
A friend bought a 1985 K100 brick for a cafe racer project however it proved a little beyond him ....... he had sold the fairings, purchased headlight, LED indicators and a u frame for the cafe racer seat, but that was about it. I offered to take over the project for his costs to date and now I have a Brick.
At present just planning the project and then will start the full strip. Aiming for something like the attached as the finished product.
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greetings...
poast up some photos of your brick... we wanna see it...
i built this custom out of a pristine one owner low mile unit... delooped it and sold it for $16,000 usd...
last i head the new owner had thrown it in a dumpster cause he relooped it then could not start it...

3DFE8E56-14C2-4339-922D-36E77202A9F8.jpeg (61.78 kB . 768x512 - viewed 720 times)
j o
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Hi Johnny - you created a work of art. How sad that someone trashed it.
The design inspires me and hope I can make something similar to what you created.
TH
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greetings...
go getts some sallsall blades and a chep3 and higher credit card limit...
poast some photos of your brick... we wanna see it...
j o
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Picking up on Monday - will post picks then.
As for credit limit ....... :johnny
Cheers
TH
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This is the machine
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For some reason it makes me less sad when it's an RT.
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i built this custom out of a pristine one owner low mile unit... delooped it and sold it for $16,000 usd...
Ingenious use of a cowboy boot for the seat. 112350
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greetings...
how much for the hemorrhoid hanging off the bung...

Screenshot_20200310-110607.jpg (25.03 kB . 334x576 - viewed 690 times)
j o
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Sorry Johnny - fairings, tragkorbs and topbox are already sold
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Sorry Johnny - fairings, tragkorbs and topbox are already sold
How about all of the fairing parts at the front end?
Asking because I'm curious, not because I'm buying!
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How about all of the fairing parts at the front end? Asking because I'm curious, not because I'm buying!
The first post informs us that the fairings were sold before TrashHauler purchased the moto. I'm answering not because I care but because I'm practicing syntax.
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And yet there they are, in the photograph, as big as life!!
I guess knowing that they may be going to revitalize someone's "bring it back to original state" dream, rather than a bin somewhere, is a bit comforting for those of us who like to keep it original.
I wonder if syntax is better with the negative before the positive or the other way around.
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I wonder if syntax is better with the negative before the positive or the other way around.
my therapist said depends if you're an optimist or pessimist
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And yet there they are, in the photograph, as big as life!!
Certainly, reading can be bothersome. :laughing4-giggles:
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I wonder if syntax is better with the negative before the positive or the other way around.
I think negative before positive, because current travels towards the negative while charge travels away. If you don't have any electrons in motion, no current, no voltage. The electron surplus starts out on the negative terminal, then they flow to the positive. Thus, negative first, most especially in syntax. Right?
Now, with that settled, what does "deloop" mean in the context of bricks?
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I think negative before positive, because current travels towards the negative while charge travels away. If you don't have any electrons in motion, no current, no voltage. The electron surplus starts out on the negative terminal, then they flow to the positive. Thus, negative first, most especially in syntax. Right?
Now, with that settled, what does "deloop" mean in the context of bricks?
the first and sometimes only thing wannabee cappuccino racers do to a brick to try to make a huge heavy german bike look like a small bore british bike. it is the amputation of the metal frame "loop" behind the seat.
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the first and sometimes only thing wannabee cappuccino racers do to a brick to try to make a huge heavy german bike look like a small bore british bike. it is the amputation of the metal frame "loop" behind the seat.
Otherwise known as "easy way to make an eminently rideable bike unrideable". It stops being what it was designed to be, instead best described as a fashion accessory.
I expect my bias is obvious.
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Well ..... the project has started. Cleaned out the garages d started stripping. Frame ready for separation from engine / drive train.
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Hi Trash Hauler. Looks like you have a good project on your hands. Despite some of the negative comments from the purist's, you will find this site a wealth of information. There are plenty of good and bad custom projects here and any of the problems that you come across (and there will be plenty) have been solved here before.
Some of the guys here have owned and ridden K bikes for ever and some of them are even helpful :laughing1:.
Completing my build was a lot easier because of this resource.
So welcome aboard and good luck.
By the way when they refer to de-looping they mean the complete removal of the rear end and either chopping or replacing with a short hoop at the rear end. Like yours :johnny
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Thanks Skunky - I really happened on to this project by chance but I am glad I did. I have always liked the variation in cafe racers and when a friend asked to give him a hand with his K100 I discovered they are some of the best and varied examples out there. I offered to take it off his hands and now I have the project and having a ball.
I have already found the site very helpful.
TH
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Good looking moto for your project. You should start a project thread under the Project Custom Motobricks (http://www.motobrick.com/index.php/board,38.0.html)
When you de-loop the moto your downunder neighbor (http://www.motobrick.com/index.php/topic,13444.msg119924.html#msg119924) is collecting the unwanted frame tubing for his new hobby
Good luck with your project
some info about your moto
Notable differences of the pre-85/86 K100 are the seat pan design with matching tail cowl section, the water/oil pump design changed, throttle cable design and fuel tank/fuel level sender/fuel return check valve.
Your 8/84 may have the European "hotter" cams known as "Finest Year K"
http://www.motobrick.com/index.php/topic,3653.msg56782.html#msg56782
https://forums.bmwmoa.org/showthread.php?4534-Why-is-the-85-K100-the-quot-Finest-Year-K-quot&s=66f149b3cadea44550d51fbf0b9ee793&p=42512&viewfull=1#post42512
The pre-1985/86 has molded pillion handles as part of the seat pan, metal or plastic seat pan.
Post-1985/86 removed handles from seat pan and added handles to the tail cowl section.
http://www.bmwkbike.dx.am/CLseats/kbikeseats.htm
Water Pump
pre-1986-87? original design old style impeller 11411461177
Superseded by 11412325850 design change the shaft with gear Z=32 teeth, shaft- 11411461183
Superseded by 11417676366 same shaft with gear Z=32 teeth
latest design 11517676371 design change shaft with gear Z=19 teeth, shaft- 11411461793
Throttle cables have 2 versions and lower brackets. Cable lengths vary with handlebars.
#1 version- have a adjustment sleeve approx. halfway down length
2nd version black plastic collar at the lower end or a white plastic collar
Pre-1985 fuel tank has a rear mounting tab later removed.
Early fuel lever sender is a thermistor type later is a float type.
http://www.kforum-tech.com/how-to/Modification%20for%20early%20gas%20tank.htm
Good Riding
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Thanks volador - Fantastic information and help.
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Some links for your K journey to take advantage of this extra time at hand
Check parts compatibility with BMW MAX Microfiche, BOBS BMW, REAL OEM
https://shop.maxbmw.com/fiche/PartsFiche.aspx
https://shop.maxbmw.com/fiche/PartsSearch.aspx
https://parts.maxbmw.com/BMW___BmwMotorradK.html
https://www.bobsbmw.com/store/microfiche/BrowseSeries.aspx
https://www.realoem.com/bmw/select.do?kind=M&arch=1
https://www.ascycles.com/BMW-Motorcycle-Parts-Fiche
Cross reference parts like Bosch pn#'s, etc.... http://partsplusecat.com/
No spaces in the part number
Parts Vendors
https://www.beemerboneyard.com/
https://www.capitalcycle.com/
https://www.euromotoelectrics.com/
https://www.tills.de/
Headlight relay stuff if you chose to add one
https://www.motobrick.com/index.php?topic=268.0
http://www.motobrick.com/index.php/topic,4962.msg30932.html
http://culayer.com/product/matchbox-headlight-relay/
http://easternbeaver.com/Main/Wiring_Kits/H4_Kits/h4_kits.html
Eastern Beaver site is a great reference for electrical connectors,plugs, etc...
http://www.k100-forum.com/
http://www.kforum-tech.com/Tech-page.html
http://www.kforum-tech.com/electrical/EFI/bike-wont-start-EN.htm
http://www.kforum-tech.com/Downloads/electrical/diagrams/interactive_diagrams.htm
http://www.kbikeparts.com/classickbikes.com/ckb.tech/0.ckb.tech.files/k100tshoot/K100.Troubleshoot.Start.2018.pdf
http://kbikeparts.com/index.htm
http://www.kbikeparts.com/classickbikes.com/ckb.tech/ckb.new2k.htm
http://www.kbikeparts.com/classickbikes.com/ckb.tech/ckb.tech.toc.htm
http://www.eilenberger.net/K75S/IgnitionSwitch/
http://www.verrill.com/moto/moto.shtml
this site has a lot of good info and breakdown pictures in the tech and tech resources sections for K1100 alot of the parts are on K75 & K100
http://www.k11og.org/forum/index.php?sid=2df953dde5715fd9001fbe69edec5ad0
https://ibmwr.org/index.php/k-bike-tech-articles/
This site has all kinds of technical specifications on all the BMW models http://www.bmbikes.co.uk/mechanicalpages/kseriesmechanical.htm
http://largiader.com
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volador - fantastic help.