BMW K bikes (Bricks)

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1Back to top Go down    Colorado Custom Build on Wed Jan 24, 2018 1:11 pm

Hale_Storm

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Figured I could start posting as I make progress on my tear down/build. I am in Denver, Colorado, picked up a non running 1985 K100RS about 3 weeks ago or so. The previous owner had gotten a scooter, and stopped riding the bike 3 years ago or so. It has +90K miles on it. Not 100% sure what I'm planning for an overall look right now, but I have previously done a similar build on a 1985 KZ750 (Kawasaki), and did a cafe look.

Anyways, I did a fluids flush on the bike, got it cleaned out, and a new battery. It had spark and compression, but wasn't turning over. I checked and cleaned out the injectors, and didn't have problems with any of them, so I took on the fuel pump. When I pulled it I found that the vibration dampener had turned to mush, and the strainer basket on the bottom only a plastic frame... no mesh... I attempted to save the pump; it was seized up, but made a small bit of movement when hooked up to the battery. After a few days of soaking in carb cleaner, and not making much progress in breaking it loose, I went with EME's replacement http://www.euromotoelectrics.com/EnDuraLast-BMW-K-52mm-Fuel-Pump-16-12-1-461-576-p/fp-576edl.htm.
After about 10 minutes of trying I got it to start up... music to my ears!

In between all that work I also started stripping the bike, I also . Here are some pics and a video




    

2Back to top Go down    Re: Colorado Custom Build on Wed Jan 24, 2018 2:58 pm

Hale_Storm

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after getting it running, I rode it around the block a couple times, parked it, and have started taking it down to clean as much off of it as possible. Started with the frame/seat. over the weekend i chopped about 6" or so off. Don't mind my messy garage... Also note I am in no way a professional welder, took a college class, but definitely don't "stack dimes"











    

3Back to top Go down    Re: Colorado Custom Build on Sat Jan 27, 2018 7:05 am

tborosak

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Great work mate love all the progress pics!


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4Back to top Go down    Re: Colorado Custom Build on Wed Jan 31, 2018 1:02 pm

woodgeek

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Looking good! Our bikes are looking really similar at this stage. I ordered a headlight and mounts similar to yours. I'm not cutting my rear subframe, though. I can't weld (yet) and my goal is to get the bike on the road in the next month or so. I'll be following your build with interest. I'll start my own thread once my parts start arriving--there are a ton.

    

5Back to top Go down    Re: Colorado Custom Build on Wed Jan 31, 2018 6:30 pm

Hale_Storm

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@tborosak wrote:Great work mate love all the progress pics!

I appreciate it! you build has been great as well, looking real clean.



Last edited by Hale_Storm on Wed Jan 31, 2018 6:37 pm; edited 1 time in total (Reason for editing : typo)

    

6Back to top Go down    Re: Colorado Custom Build on Wed Jan 31, 2018 6:33 pm

Hale_Storm

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@woodgeek wrote:Looking good! Our bikes are looking really similar at this stage. I ordered a headlight and mounts similar to yours. I'm not cutting my rear subframe, though. I can't weld (yet) and my goal is to get the bike on the road in the next month or so. I'll be following your build with interest. I'll start my own thread once my parts start arriving--there are a ton.

Thank you, yeah, looking very similar! I am lucky to have Steeles Cycles close by my house, they have new and used parts, so I was able to grab a headlight out of their junkyard, and picked up some new brackets while i was there. I have some more parts coming in today, and have been working on a custom seat pan since i chopped the frame. Its always nerve wrecking cutting into the frame... but its fun at the same time.

    

7Back to top Go down    Re: Colorado Custom Build on Wed Jan 31, 2018 6:56 pm

Hale_Storm

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Over last weekend I started a custom seat pan. We have a local metal scrap yard, $40 gets you 40lbs, so i picked up a decently thick piece of sheet metal and some other parts.

Rough Layout


Cut to a rectangle, and ground the rust off with a wire wheel



Piece of unistrut and some clamps for my high tech metal bender.



check layout



Shaping it to just bigger than the frame. used a sharpie and the frame itself to trace it out, then added about a half inch. super technical.


Cut some relief cuts on outside corners, and used a set of pliers to bend a little at a time, all the way around.



Right now its rough, but i'll do some more bending, and hammering, then weld up the seams where it needed to be cut, add foam and wrap!

Anyone have experience upholstering to a metal pan? I plan on using leather. I've seen some guys use rivets, but it seems like a pain to drill holes, and stretch it with a rivet gun? I was thinking about adhering some plywood to the bottom to staple to?

    

8Back to top Go down    Re: Colorado Custom Build on Fri Mar 02, 2018 2:41 pm

Hale_Storm

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did some work on the bike over the last few weeks, mostly the front end, made a mount for the speedo, put in a new headlight, mounted the key on the triple tree.





    

9Back to top Go down    Re: Colorado Custom Build on Tue Jul 03, 2018 2:11 pm

Hale_Storm

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After some back and forth I changed the seat pan idea from a metal pan to a wood pan. cut out two pieces of plywood for the front and back, and connected them with some small pieces and fiberglass. added foam to the top, and stretched in some leather. diamond pattern stitched in to match my handlebar grips.











    

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