BMW K bikes (Bricks)

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1Back to top Go down   K100 Custom Empty K100 Custom on Wed May 13, 2015 1:07 am

mrc

mrc
active member
active member
Hi!
Here is my build so far


http://moto.onepagefree.com/


mrc



Last edited by mrc on Wed May 13, 2015 7:19 pm; edited 1 time in total

http://moto.onepagefree.com
    

2Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 8:39 am

Comberjohn

Comberjohn
Life time member
Life time member
Welcome to the forum.
Please keep us up to date with your progress and plenty of pics.
I'm working on a custom K myself and like to see other people's ideas.
Did you make or buy the exhaust collector?
Looks like a nice piece of work.


__________________________________________________
Life is not a rehearsal.
2010 VFR 1200F DCT 
2010 R1200GS(gone)
1986 K100 Silver(gone)
2012 K1600GT(gone)
1984 K100RT Madison Silver(gone)
1989 K100LT Stratus Grey(gone)
1984 K100 Red(gone)
http://www.johnsdrivingschool.co
    

3Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 10:20 am

KafeRacer

KafeRacer
Silver member
Silver member
Nice looking build.  Keep the updates coming!


__________________________________________________
Dave Evans
'Kafe Racer'
kaferacer.wordpress.com

1990 K75RT
1985 K100 Kafe Racer
http://kaferacer.wordpress.com
    

4Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 12:44 pm

BadjerJim

BadjerJim
Silver member
Silver member
That is really really nice. What speedometer is that?  Can you tell me more about it?

    

5Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 1:33 pm

Holister

Holister
Life time member
Life time member
I really like what you're doing with the seat and tail... nice shape. Rear wheel guard looks good.
K100 Custom Sadulnahata

Is it just me but... clip-ons on a scrambler? Just my thoughts. Keep the pics koming. Cheers


__________________________________________________
1988 K100RT     VIN No.  0094680
1989 K100RT     VIN No.  0097367 (naked)  
1996 K1100RS   VIN No.  0451808
 K100 Custom Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

6Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 5:31 pm

mrc

mrc
active member
active member
Exhaust collector is made from original muffler. Cut off and welded adapter pipe in. And then more welding  Very Happy

Speedometer is Motoscope Tiny, from motogadget.  There is also Sureshift gear indicator integrated in top tree. 

 K100 Custom IMG_4577

Scrambler and Clip-ons.. Let's call it just custom then.  And I might change to street tires at some point..

http://moto.onepagefree.com
    

7Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 7:08 pm

Comberjohn

Comberjohn
Life time member
Life time member
Really neat job on the collector.
Now, if you had just taken series of photos on how you did it...
I've bought a welder with something similar in mind. After much practice, of course!
Just goes against the grain to cut up a perfectly good, if ugly, standard silencer. Going to cut it back a bit from the collector and use the rest of the silencer to practice my welding skills.
Clip ones are nice but did wonder about you using the scrambler title.
I'm currently looking at ways of using GS bars. I also have an R1200GS and find the higher, wider bars perfect for me.
Due to the, ahem, relaxed muscle on my abdomen, clip ons aren't going to be the most comfortable over any distance.
Love the look of the 'sKrambler' on another thread, although it has been built to a very high standard.


__________________________________________________
Life is not a rehearsal.
2010 VFR 1200F DCT 
2010 R1200GS(gone)
1986 K100 Silver(gone)
2012 K1600GT(gone)
1984 K100RT Madison Silver(gone)
1989 K100LT Stratus Grey(gone)
1984 K100 Red(gone)
http://www.johnsdrivingschool.co
    

8Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 7:19 pm

mrc

mrc
active member
active member
Sorry, no more photos on collector. I cut the part with 4 inlet pipes, then cut off some pieces and hammered collector to fit, added adaptor pipe and welded with some points. Then sent to professional welder, who smoothed it out and filled the gaps.

http://moto.onepagefree.com
    

9Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 7:54 pm

Comberjohn

Comberjohn
Life time member
Life time member
That's what I was thinking of doing myself.
Not that good at welding.


__________________________________________________
Life is not a rehearsal.
2010 VFR 1200F DCT 
2010 R1200GS(gone)
1986 K100 Silver(gone)
2012 K1600GT(gone)
1984 K100RT Madison Silver(gone)
1989 K100LT Stratus Grey(gone)
1984 K100 Red(gone)
http://www.johnsdrivingschool.co
    

10Back to top Go down   K100 Custom Empty Re: K100 Custom on Wed May 13, 2015 10:06 pm

mrc

mrc
active member
active member
Today the rear fender went to chemical chrome removal and will be powdercoated later.
K100 Custom Porix

Seat should be ready by the end of next week.

http://moto.onepagefree.com
    

11Back to top Go down   K100 Custom Empty Re: K100 Custom on Thu May 14, 2015 1:40 am

Tenox

Tenox
Life time member
Life time member
Are those TKC80 tyres? If, what size? And if front tyre is ment to be placed rear is it installed so that it spins in "wrong" direction?

And how bike handles with those tyres? I have bought TKC80 for my K100 and will install them later this year.


__________________________________________________
BMW K100RT Scrambler (86)
    

12Back to top Go down   K100 Custom Empty Re: K100 Custom on Thu May 14, 2015 2:14 am

mrc

mrc
active member
active member
Yes, they are TKC80.
Rear is 130/80R17
Front tire is ment to be front tire. I can check the size later.

No idea about handling, the bike does not run yet.

http://moto.onepagefree.com
    

13Back to top Go down   K100 Custom Empty Re: K100 Custom on Thu May 14, 2015 3:29 am

Tenox

Tenox
Life time member
Life time member
Ok, thanks. I could not find TKC80 in suitable size for front. So I took 110/80/18 rear to be in front and 140/80/17 for rear.


__________________________________________________
BMW K100RT Scrambler (86)
    

14Back to top Go down   K100 Custom Empty Re: K100 Custom on Sat May 16, 2015 12:38 am

88

88
Life time member
Life time member
I like the shape. Keep going!!


__________________________________________________
K100 Custom Ir-log1188....May contain nuts!K100 Custom Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

15Back to top Go down   K100 Custom Empty Re: K100 Custom on Mon May 18, 2015 4:06 am

mrc

mrc
active member
active member
K100 Custom K100sadulata2

http://moto.onepagefree.com
    

16Back to top Go down   K100 Custom Empty Re: K100 Custom on Mon May 18, 2015 8:33 am

Comberjohn

Comberjohn
Life time member
Life time member
Thanks for the photo, mrc.
Looking at the rear frame loop which has been shortened.
I'm just planning that part of the rear of mine before I make the first cut. Beyond the point of no return...
Just realised that I need to remove surplus brackets and work out what I'm doing with the rear end BEFORE I can think about painting the frame.
Did you shorten the rear of the frame yourself? Is that the original rear loop welded into the cut frame rails?


__________________________________________________
Life is not a rehearsal.
2010 VFR 1200F DCT 
2010 R1200GS(gone)
1986 K100 Silver(gone)
2012 K1600GT(gone)
1984 K100RT Madison Silver(gone)
1989 K100LT Stratus Grey(gone)
1984 K100 Red(gone)
http://www.johnsdrivingschool.co
    

17Back to top Go down   K100 Custom Empty Re: K100 Custom on Mon May 18, 2015 5:44 pm

mrc

mrc
active member
active member
Yes, it is original loop. Frame was shortened with 3 cuts/welds.
Cut 1 shortened the frame.
Cut 2&3 bent the tail a bit upward for better line.

Welds wil be smoothed out by professional, when the frame goes to paint next winter.

K100 Custom Sabaraam

http://moto.onepagefree.com
    

18Back to top Go down   K100 Custom Empty Re: K100 Custom on Sat May 23, 2015 6:34 am

mrc

mrc
active member
active member
Rear fender & taillight ready to install.

K100 Custom FullSizeRender%20(14)

http://moto.onepagefree.com
    

19Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue May 26, 2015 4:34 pm

James

James
Silver member
Silver member
Hey man nice ride, I'm wondering how long you've ridden with the fuel controller like that. I had mine mounted on similar mounting points but the other way around and was having trouble with water intrusion eventually causing the bike to stall. Even on a mildly wet day. But I didn't have a fender at all. Last summer I had to take the computer apart a few times and clean it with alcohol and dry it up before I could get the bike working again. I've been looking for another location for it, possibly above the air box to protect it a bit better, how long have you been riding with it like that?

    

20Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue May 26, 2015 5:35 pm

mrc

mrc
active member
active member
I haven't ridden it like this at all.  Was your ECU mounted upside down or connector facing back?

http://moto.onepagefree.com
    

21Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue May 26, 2015 6:38 pm

James

James
Silver member
Silver member
The mounting points were similar but I had the metal side of the case facing down so it was flush with the frame. When I took it apart the entire PCB was dripping in water, I tried waterproofing it when I reassembled it but I was having the same problem. I didn't have a rear fender at all though so the tire would throw water on it, defiantly contributed to the issue. It was fine on nice days though. I'm in the process of finding a place for it right now. 
The aluminum on your bike looks clean, and I like your polished tank.

    

22Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri May 29, 2015 5:09 am

mrc

mrc
active member
active member
installed seat and rear fender:
K100 Custom IMG_5046

http://moto.onepagefree.com
    

23Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri May 29, 2015 5:16 am

mrc

mrc
active member
active member
K100 Custom IMG_5037%20(1)

http://moto.onepagefree.com
    

24Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jun 09, 2015 2:16 am

sj2000

sj2000
Silver member
Silver member
Where did you get that supertrapp exhaust, and how much? is that complete with the headers? thanks.

    

25Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jun 09, 2015 2:51 am

mrc

mrc
active member
active member
Partseurope

ST exhaust is slip on. header is made from original k100 exhaust.

http://moto.onepagefree.com
    

26Back to top Go down   K100 Custom Empty Re: K100 Custom on Mon Jun 29, 2015 10:15 pm

mrc

mrc
active member
active member
Plastidipped helmet to match bike:

K100 Custom IMG_5207

http://moto.onepagefree.com
    

27Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jun 30, 2015 4:36 am

mrc

mrc
active member
active member
Licence plate is now installed
K100 Custom IMG_5234

http://moto.onepagefree.com
    

28Back to top Go down   K100 Custom Empty Re: K100 Custom on Thu Jul 02, 2015 8:04 pm

mrc

mrc
active member
active member
yesterday finally tried to start the bike, but no success...

Starter motor is running, but no sound from fuel pump. Fuses OK, have to check the connections.
Hope it's not ECU

http://moto.onepagefree.com
    

29Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri Jul 03, 2015 3:53 am

wetdog

wetdog
active member
active member
very nice , but the
tyre choice is poor , they handle very bad unless your thinking of going off road

what year is the bike , try the clutch switch or gear switch before the ecu

    

30Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri Jul 03, 2015 5:58 am

TacKler

TacKler
Life time member
Life time member
I like the seat and rear end styling. Most people seem to just grab a plank of wood, then wrap some foam and vinyl around it and call it a seat.  It actually looks comfortable.  Very Happy

I am generally not a fan of the café style but the rear is nice and tidy.  A professional looking job.


__________________________________________________
Red 1991 K75S
    

31Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri Jul 03, 2015 6:49 am

mrc

mrc
active member
active member
Thanks. Tyres are easy to change. I just like the look:) 
Seems that fuel pump is dry and stuck..

http://moto.onepagefree.com
    

32Back to top Go down   K100 Custom Empty Re: K100 Custom on Fri Jul 03, 2015 6:57 am

rosskko

rosskko
VIP
VIP
Reverse the leads.
Run it backwards.
Only for a second at a time. You might find a few quick taps of power will un stick what is stuck



Last edited by rosskko on Mon Jul 06, 2015 11:00 am; edited 1 time in total


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ  05/1988

K1100RS 0194321
    

33Back to top Go down   K100 Custom Empty Re: K100 Custom on Sat Jul 04, 2015 6:06 am

wetdog

wetdog
active member
active member
100% agree , change the tyres and you will have a nice K racer , I love this model BMW and see now prices going up , maybe the bear VMCC race , its up against , Laverda , guzzi , Norton , ducati , etc and it is winning , look youtube , or go racing cheap

    

34Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 07, 2015 9:18 am

Tenox

Tenox
Life time member
Life time member
@wetdog wrote:very nice , but the
tyre choice is poor , they handle very bad unless your thinking of going off road
I would say that TKC80 tyres handle on tarmac almost as good as any "normal" tyre on K100. I have now driven about +1000km with TKC80:s and the only thing I have noticed is that the bike turns bit more quickly (less like a brick) on corners but cornering speed may be a little slower now. And they do work nicely on gravel too. And they of course look very nice. Only thing that I think is poor on these tyres is the wear speed. I don't think I will get more than 5000km with rear tyre, bit more with front. Air pressures are now 2,4 / 2,6 bar.

I expected lot worse and was really surprised how good they are.


__________________________________________________
BMW K100RT Scrambler (86)
    

35Back to top Go down   K100 Custom Empty Re: K100 Custom on Thu Jul 16, 2015 12:19 am

mrc

mrc
active member
active member
Changed the fuel pump and bike is running at last..
Tyres are very OK to ride. A lot better than expected.

K100 Custom K100100100

http://moto.onepagefree.com
    

36Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 7:19 am

mrc

mrc
active member
active member
K100 Custom IMG_5422

http://moto.onepagefree.com
    

37Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 7:30 am

Inge K.

Inge K.
VIP
VIP
Could be a idea to change out the fuel cap, the ones with a pushbutton was known to letting water through.
Back then it was a recall period about those, but I think you're a bit late for that Rolling Eyes ...........


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

38Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 8:20 am

T3CHNO1D

T3CHNO1D
active member
active member
Darn, I have the same gas cap on my 1985, $300 for a new one, ain't going to happen. Any idea where it leaks? I'm thinking maybe using a POR-15 tank sealant on the inside of the cap to seal it up.


__________________________________________________
__________________________________________________
Model        Production Date/Serial Number
K100         1985 ???? / (F0030125)
    

39Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 8:27 am

sidecar paul

sidecar paul
Life time member
Life time member
The gap around the push button fills with water, but the water only gets into the tank when the cap is opened.

The later caps have a ridge to direct any water from the opened cap towards the drain hole. Unfortunately, the part with the ridge is not compatible with the early cap. 

Paul.


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015) 
....No CARS never ever!
    

40Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 8:30 am

T3CHNO1D

T3CHNO1D
active member
active member
@sidecar paul wrote:The gap around the push button fills with water, but the water only gets into the tank when the cap is opened.

The later caps have a ridge to direct any water from the opened cap towards the drain hole. Unfortunately, the part with the ridge is not compatible with the early cap. 

Paul.
Time to to do some re-engineering and see if I can come up with a fix for that, thank you for the heads up, it rains in Vancouver and that would explain the hole in my tank I had to fix.


__________________________________________________
__________________________________________________
Model        Production Date/Serial Number
K100         1985 ???? / (F0030125)
    

41Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 8:37 am

sidecar paul

sidecar paul
Life time member
Life time member
The ridge is visible in this pic from when I was making a spacer to raise the cap (to increase tank capacity).

K100 Custom Sam_0610

Paul.


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015) 
....No CARS never ever!
    

42Back to top Go down   K100 Custom Empty Re: K100 Custom on Tue Jul 21, 2015 9:31 am

88

88
Life time member
Life time member
@Comberjohn wrote:Really neat job on the collector.
Now, if you had just taken series of photos on how you did it...

Did you see the close up photos in the link on the first post CJ ? I picked up a better exhaust from the breakers for my LT, you welcome to the old one if You want a cadaver to practice on!


__________________________________________________
K100 Custom Ir-log1188....May contain nuts!K100 Custom Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

43Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 2:40 am

mrc

mrc
active member
active member
K100 Custom IMG_5636

guess I have to paint the tank....

http://moto.onepagefree.com
    

44Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 4:01 am

k-rider

k-rider
Life time member
Life time member
Ouch,doesnt look good, are you ok?


K-rider


45Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 5:20 am

Dai

Dai
Life time member
Life time member
As long as paint the tank is all you have to do? How about yourself?


Will: is that pipe still available or did John take it?


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

46Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 7:50 pm

mrc

mrc
active member
active member
I´m OK. Some scratches and bruises. Had  motorcycle clothes on, that saved from worst.
Tank is only thing, that cannot be restored, as it was ( dented and scratched)
Other damage is: seat leather, indicators, right side engine cover, crash bar and brake levers ...

http://moto.onepagefree.com
    

47Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 8:14 pm

Ed

Ed
Life time member
Life time member
Kaptain Holister wrote:I really like what you're doing with the seat and tail... nice shape. Rear wheel guard looks good.
K100 Custom Sadulnahata

Is it just me but... clip-ons on a scrambler? Just my thoughts. Keep the pics koming. Cheers
are motocross bars more suited in this scenario?


__________________________________________________
1987 K100RT  Ex- police        
1989 K100LT  Ol' Blue and "Kart" the Kamper trailer.  now KAPUT . 
1993 K1100RS  0194321         Colour #690 Silk Blue  aka " Smurfette"
2018 Kart upgrade.
K100 Custom 10_x_110
    

48Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Aug 30, 2015 9:20 pm

Holister

Holister
Life time member
Life time member
Good to hear you're ok mrc. Pity to see that pic of your old girl on her side tho Sad . She's one of the nicer Kafes I've seen - jimo.

Yep, I think Ed is right, motocross bars would give you better feedback and control with those Knobbies but maybe better to change the rubber. jmo


__________________________________________________
1988 K100RT     VIN No.  0094680
1989 K100RT     VIN No.  0097367 (naked)  
1996 K1100RS   VIN No.  0451808
 K100 Custom Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

49Back to top Go down   K100 Custom Empty Re: K100 Custom on Sat Oct 10, 2015 6:02 am

TheJoker

TheJoker
Silver member
Silver member
Nice bike although I prefer the yellow instead of the silver. Where did you get your indicators from, I'm going to be after some for my build. Question


__________________________________________________
My Bike List past to present so far;

Lexmoto (first bike ever to ride) , CB125 TDC 86 , CG125 89 , GN125 97 , ER5 96 , K100 RS 84

84/01 K100rs 0013627
    

50Back to top Go down   K100 Custom Empty Re: K100 Custom on Sun Oct 11, 2015 1:33 am

mrc

mrc
active member
active member
Front indicators are  Motogadget m-Blaze Disc, Rear lights are Kellermann

http://moto.onepagefree.com
    

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