BMW K bikes (Bricks)


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1Back to top Go down    New horse in the shed Empty New horse in the shed Sun May 20, 2018 5:22 am

svenok

svenok
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Working on Kay today, I thought I'd look inside the front master cylinder. I found very little fluid and thought better pull this a part. The rubber boot at the plunger part was wetish so I'm thinking this is were the fluid has gone. The sight glass is also missing and an aluminium plug complete with O ring and bolt have been installed though the sight glass hole. Bore looks good and I'll up load some fotos later. Looking on line I think I have found valve for money a rebuild kit. 

https://www.beemerboneyard.com/32722332037pk.html
                                      or
https://www.kmodelbeamerbits.com.au/bmwk-seriesshop.html#!/K1-K100RS-16v-K1100RS-LT-Front-Brake-M-C-Repair-Kit-Piston-WD-S1/p/84409309/category=23450038

I was surprised how complex the whole unit is put together. Once a part and semi cleaned all parts went into the ultra-sonic bath for 30mins.
I was shocked to see the twist grip body had a small crack in it's housing, I lined this up with the twist grip and I think it could be caused by snapping the twist grip? 
 New horse in the shed Work_n19
 New horse in the shed Work_n18
Has anyone else found this to be a problem?


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K100RS 12/90 WB1052309M0200614
    

2Back to top Go down    New horse in the shed Empty Re: New horse in the shed Sun May 20, 2018 8:23 am

duck

duck
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I've seen a fair number of those and never seen one cracked like that.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

3Back to top Go down    New horse in the shed Empty Re: New horse in the shed Sun May 20, 2018 8:36 am

Dai

Dai
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That's been hit hard with something from the inside. The giveaway is that when you sanded the paint back, it only really cleaned one side. The other side is depressed (just like you are ATM I'd guess! Very Happy ). When did it happen? Odds are when the PO knocked out the sight glass.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

4Back to top Go down    New horse in the shed Empty new horse in the shed Tue May 22, 2018 6:06 am

svenok

svenok
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Depressed! I haven't been out to the shed since I posted the pics.Crying or Very sad
I'm not sure whether to try and fix it, or buy a secondhand one. I was thinking of drilling little divots in the crack and then use a small G clamp to bring it back in line with the other half and weld it.
It will be my first try at using aluminium welding sticks, so I could learn a new skill here.
Talking about learning what does PO mean?


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K100RS 12/90 WB1052309M0200614
    

5Back to top Go down    New horse in the shed Empty Re: New horse in the shed Tue May 22, 2018 6:15 am

Dai

Dai
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PO = previous owner
Easyweld = not good enough for that job. It won't hold the 'springback' pressure when you release the clamp
Ally weld = a fine line of about 20 degreesF between ready to weld and complete meltdown. Definately a specialist job because it will need pre-heating.

Guess that just leaves the secondhand one... Sad OTOH, I'd say that one is still usable. The cracked area is not load-bearing.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

6Back to top Go down    New horse in the shed Empty Re: New horse in the shed Tue May 22, 2018 8:26 am

svenok

svenok
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Dai wrote:PO = previous owner
Doh, I thought it was something nasty......

Yeah second hand will be the go..... Evil or Very Mad I'll keep looking at things and hope there's nothing else the PO did that will bite me. Crying or Very sad


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K100RS 12/90 WB1052309M0200614
    

7Back to top Go down    New horse in the shed Empty Re: New horse in the shed Tue May 22, 2018 10:04 am

Rick G

Rick G
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I'll have a hunt around the cave tomorrow, I may have one of those that isn't cracked.


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"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

8Back to top Go down    New horse in the shed Empty New horse in the shed Tue May 22, 2018 5:52 pm

svenok

svenok
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RicK G wrote:I'll have a hunt around the cave tomorrow, I may have one of those that isn't cracked.

That would be very beautiful RicK G


like


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K100RS 12/90 WB1052309M0200614
    

9Back to top Go down    New horse in the shed Empty New Horse in the Shed Tue May 22, 2018 6:30 pm

Tom G

Tom G
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Hi Svenok, I'll have a look around for one. I'm pretty sure I have one. Cheers Tom


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1986 K100RT Ex Police (Slightly modified)
2010 Suzuku DL650 V Strom
1992 R100R
    

10Back to top Go down    New horse in the shed Empty New horse in the shed Wed May 23, 2018 6:10 pm

svenok

svenok
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Tom FKR wrote:Hi Svenok, I'll have a look around for one. I'm pretty sure I have one. Cheers Tom

Guys I'm very grateful, thanks for looking.


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K100RS 12/90 WB1052309M0200614
    

11Back to top Go down    New horse in the shed Empty Re: New horse in the shed Wed May 23, 2018 8:12 pm

Rick G

Rick G
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admin
Apparently not Sven, the bit I was thinking off was for a K1100


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

12Back to top Go down    New horse in the shed Empty New horse in the shed Thu May 24, 2018 5:13 am

svenok

svenok
active member
active member
RicK G wrote:Apparently not Sven, the bit I was thinking off was for a K1100

RicK G
It's the thought that counts mate. All good cheers


__________________________________________________
K100RS 12/90 WB1052309M0200614
    

13Back to top Go down    New horse in the shed Empty Re: New horse in the shed Sun May 27, 2018 9:18 pm

Gaz

Gaz
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Rick G, that VIN number says 09/90 manufacture and RealOEM says 20mm front master so wouldn't that be the 4V with common part number to K1100 models?

Methinks that you are right when thinking it is a K1100 part.

Cheers


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Gaz
1990 K75 6427509; 1987 R80G/S PD 6292136; 2010 G650GS ZW13381; 95 K1100LT 0232224
    

14Back to top Go down    New horse in the shed Empty New horse in the shed Mon May 28, 2018 6:14 am

svenok

svenok
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Guys I'm sure when I measured the piston it was 19.83mm so I'm leaning towards the 20mm repair kit.

That's my two cents worth.


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K100RS 12/90 WB1052309M0200614
    

15Back to top Go down    New horse in the shed Empty Re: New horse in the shed Mon May 28, 2018 8:44 am

Rick G

Rick G
admin
admin
I'll stick my brain back in and have another good look or as Margie is wont to say a woman's Very Happy look


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

16Back to top Go down    New horse in the shed Empty New horse in the shed Sat Jun 02, 2018 12:50 am

svenok

svenok
active member
active member
Being Saturday I thought I'd do a bit more with "Kay" and see why the ABS supposedly doesn't work. Since it was already off the bike I removed the screws out of the black box and exposed it's brain. I was looking for water damage as suggested in post within k100 community.I can see a lot of corrosion on some of the "pic" chips and wonder if this could be a sign of water ingress at some stage.



 New horse in the shed Img_1414
 New horse in the shed Img_1416
 New horse in the shed Img_1415
 New horse in the shed Img_1417



Last edited by svenok on Sat Jun 02, 2018 1:39 am; edited 1 time in total (Reason for editing : better fotos)


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K100RS 12/90 WB1052309M0200614
    

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