Author Topic: A few parts questions  (Read 16178 times)

Offline colly

  • ^ Motobrick Curious
  • Posts: 58
Re: A few parts questions
« Reply #25 on: April 01, 2016, 07:14:22 AM »
Ok thanks Trueace.  So the one I like best is this: http://www.bikeexif.com/bmw-k100-cafe-racer -



I love the way he has ripped most out of the frame triangle, and I want to get a custom exhaust out the other side to expose the swingarm.  I may also move the sidestand to the other side, and I'll probably have to lose the center stand though. Worried about cost of all of this. I saw that BSK Collector - it's very expensive! £200 (almost $300). Hopefully I can get a muffler shop to make someting up for me.

Mine will be different to the above bike in several ways though, I've no idea what color scheme I'll go with yet. My rear cowl will be different and I've yet to find a seat, going to use for racing foam temporarily.

I also have to think about a brake light and indicators. I might go for the bar end indicators - but I have not figured out a brake light.

So many things pop up that I had not thought about - however i must say I am thoroughly enjoying this project so far!!

Is there a guide to chopping down the footpegs like you mentioned?
  • Ireland
  • 1983 BMW K100

Offline TrueAce

  • ^ SuperNatural Motobricker
  • Posts: 973
Re: A few parts questions
« Reply #26 on: April 01, 2016, 03:38:24 PM »
Colly, I've tried to respond a couple times today, but can't get the server to upload. Let me know if it comes through.
Below are a few pictures to better show what I did in my scrambler build. The foot peg mounting plates are aluminum, and easily cut to make smaller with a power tool and good quality carbon blade. You need to grind the edges and polish well. ......an acceptable shot term solution if you don't want to buy rear sets. See the pics for left & R on my bike. Leave just enough on the right side to hide the master cylinder. On the rear frame chop, do not cut too close to the upper shock mounting bracket. The bullet rear lights are inexpensive and can be held in place with bicycle handlebar grips trimmed down. Lots of choices for brake light, I used a simple LED strip and fabricated a frame. Remember to run license plate lights to keep the popo happy. The open "triangle requires you to hide the EMC unit, mine is just under the seat rails, and the battery. You have that cafe tail to work with. If you go with a standard battery, it can lay on it's side to be less visible. Let me know if you have more questions........good luck and send us pictures!
  • Florida
  • '85 K100GS, '85 K100RSSC,', '94 K1100RS,'10 S1000rr,'14 Ural Sidecar, '15 R Nine T

Offline colly

  • ^ Motobrick Curious
  • Posts: 58
Re: A few parts questions
« Reply #27 on: April 03, 2016, 09:41:42 AM »
Thanks so much for the advice and the photos! That definitely sounds like a good idea - cheaper than buying rearsets anyway!

I'm buying a load of gear from www.caferacerseats.co.uk - they make a seat cowl specifically for the K100 that bolts right on! And an under tray so you can hide the ECU in there. Sounds perfect. And they also do a deal on a lithium battery - with a custom made box that hides neatly on the swingarm. This is annoying as I just bought an Odyssey PC680 the day before - which was even more expensive. I get it anyway if its neater. Photos here on facebook: https://www.facebook.com/CompleteCafeRacer/posts/1661519384088024 - check the photos in the comments. For the seat I'm really not sure what I'll do - but for now I'm just going to use some racing seat foam. I'm going to get Clip on adjustable bars, and bar end mirrors. I also bought a huge net of new bolts, as many of the ones that are on it are rusty.
  • Ireland
  • 1983 BMW K100

Offline TrueAce

  • ^ SuperNatural Motobricker
  • Posts: 973
Re: A few parts questions
« Reply #28 on: April 03, 2016, 10:08:15 AM »
CareRacers has some neat stuff. What are you planning with the headlight? You should be able to get an upholstery shop to stitch you up a good seat for not too much. Send pics as you go!
  • Florida
  • '85 K100GS, '85 K100RSSC,', '94 K1100RS,'10 S1000rr,'14 Ural Sidecar, '15 R Nine T

Offline colly

  • ^ Motobrick Curious
  • Posts: 58
Re: A few parts questions
« Reply #29 on: April 04, 2016, 11:15:08 AM »
I think a custom upholstered seat will be one of the last things I do. Not sure about headlight, I assume I can use the one I have with a new bracket? I also have to think about a speedo - anyone got any recommendations?

Another question, when we took the fuel filter out (12 years old) one of the hoses was all rotten. I now need to replace this. Does anyone know what part this is - or will any fuel line do?

We tried to get her started the other day, would crank but not start. I don't think the plugs are getting fuel - could be the injectors clogged, have to see later this week
  • Ireland
  • 1983 BMW K100

Offline Martin

  • ^ Quintessential Motobricker
  • Posts: 4475
Re: A few parts questions
« Reply #30 on: April 04, 2016, 04:44:50 PM »
Check the 4 pin connector  ( bad connection ) that goes to the fuel pump a known problem, it is under the RH side cover. Fuel hose can be purchased non OEM but has to be fuel proof and rated as submersible.
Regards Martin.
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline colly

  • ^ Motobrick Curious
  • Posts: 58
Re: A few parts questions
« Reply #31 on: May 07, 2016, 12:41:50 PM »
Finally figured out the problem, fuel pump is nackered. New one on the way and hopefully it should start fine! About to order all the parts and the proper build will start soon. I'll post back with pictures.

One question, the radiator has a hole in it - probably from a stone. Is it worth getting this fixed or should I try to find a used rad online?
  • Ireland
  • 1983 BMW K100

Offline Laitch

  • Faster than a speeding pullet
  • Administrator
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Re: A few parts questions
« Reply #32 on: May 07, 2016, 01:18:36 PM »
Is it worth getting this fixed or should I try to find a used rad online?
Pull it out and get an repair estimate before you decide that one, colly.
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Elipten

  • ^ SuperNatural Motobricker
  • Posts: 715
Re: A few parts questions
« Reply #33 on: May 07, 2016, 01:29:36 PM »
Yep take to local radiator shop and get an estimate


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  • San Antonio, TX
  • 1990 K75RT

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