BMW K bikes (Bricks)

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1Back to top Go down   1987 RS Engine small renovation Empty 1987 RS Engine small renovation on Sat Mar 12, 2011 7:55 am

LifeGuard

LifeGuard
Silver member
Silver member
Hi
As many of us know smoe old K-engines have one common ailment - noisy work when they are cold.
I bought my brick in October 2009. She was little bit noisy when she isn't warmed up.
And the noise intensified lately so I decided to repair it.

1987 RS Engine small renovation Engine1

1987 RS Engine small renovation Engine2u

1987 RS Engine small renovation Engine3


I paste more photos and I describe the repair more detail ... soon

http://tchorzewski.net
    

2Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 11:16 am

LifeGuard

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I found the culprit of noise:

http://tchorzewski.net
    

3Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 11:53 am

Crazy Frog

Crazy Frog
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Sorry for the bad news, but this could be a very expensive repair.
But wait....
First, say a big "Thank You Bert"!
Now, check this. This part is very difficult to find, but this one is the cheapest that I ever seen.


__________________________________________________
1987 RS Engine small renovation Frog151987 RS Engine small renovation Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

4Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 2:12 pm

Oldgoat

Oldgoat
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Nice work Lifeguard! This is the type of stuff I've been looking for on the motor. Hopefully this will encourage more folks to post their engine work bounce

OG

    

5Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 2:14 pm

Oldgoat

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Wow, Nice find Bert! That's a crazy price if it a clean unit.

OG

    

6Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 2:57 pm

LifeGuard

LifeGuard
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@Crazy Frog wrote:Sorry for the bad news, but this could be a very expensive repair.
But wait....
First, say a big "Thank You Bert"!
Now, check this. This part is very difficult to find, but this one is the cheapest that I ever seen.

Thanks Crazy Frog.
I am aware of the fact that normally it would cost a lot of money to change output shaft.
I bought 12 rivets version of output shaft from K1200. I hope that it will fit.

(12 rivets) output shaft
K1200 - 11211464947
K100 - 11211461499

http://www.bmwmcchattanooga.com/showassembly.aspx?ukey_assembly=188693

http://tchorzewski.net
    

7Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 4:07 pm

Crazy Frog

Crazy Frog
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admin
Their web site is very good. They have the ETK online like RealOEM.com


__________________________________________________
1987 RS Engine small renovation Frog151987 RS Engine small renovation Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

8Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 4:52 pm

LifeGuard

LifeGuard
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In water pump I have an old type of rotator

1987 RS Engine small renovation Pump

BMW recommends replacing this when rebuilding any "old" style but servicable K bike pump.


Is it necessary?

http://tchorzewski.net
    

9Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sat Mar 12, 2011 7:40 pm

Guest

avatar
Guest
The 'old' parts of the water pump will not retrofit to the 'new' type. Replace the mechanical seal kit and the impeller as a set.

    

10Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sun Mar 13, 2011 6:55 pm

Brickee

Brickee
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Hope I can jump in on this thread. I've got my bike apart and I noticed that I have the old impeller. I know I have to replace the seals w a new impeller, can I reuse the nut or do I have to change it to use the bolt? If so, what else will I need to order. I'm looking at the Motobins site and they have the kit and impeller and would like to make just one order. Thanks to all for the input on this site, I would never have attempted taking this bike apart without knowing this invaluable resource was here.


__________________________________________________
86 K100RT VIN 0053533

The good news is, I no longer have senior moments. The bad news is, now it's a constant state of mind.
    

11Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sun Mar 13, 2011 7:02 pm

Guest

avatar
Guest
Just buy that kit from the 'Bins. It's complete.

    

12Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sun Mar 13, 2011 7:21 pm

Brickee

Brickee
Silver member
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Thanks TWB, done and ordered!


__________________________________________________
86 K100RT VIN 0053533

The good news is, I no longer have senior moments. The bad news is, now it's a constant state of mind.
    

13Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Mon Apr 04, 2011 11:47 am

LifeGuard

LifeGuard
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progress! I bought the absorber version 12 and 6 rivets Smile
of course I will mount 12-rivets version

1987 RS Engine small renovation 20110402025

http://tchorzewski.net
    

14Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 2:17 am

LifeGuard

LifeGuard
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Silver member
some photos of the restoration


the pump after disassembling:

1987 RS Engine small renovation Img0006vnf

renovated and cleaned "new" output shaft:

1987 RS Engine small renovation Img0013of

1987 RS Engine small renovation Img0014lo

1987 RS Engine small renovation Img0011de

starter cleaning:

1987 RS Engine small renovation Img0015gs

exhaust elements ready for polishing:

1987 RS Engine small renovation Img0017q

purchased items:

1987 RS Engine small renovation Img0019rz

adhesives:

1987 RS Engine small renovation Img0021v

pump after renovation (cleaning, sandblasting, powder cating)

1987 RS Engine small renovation Img0028j

1987 RS Engine small renovation Img0024ov

1987 RS Engine small renovation Img0029ll

stainless screw plug:

1987 RS Engine small renovation Img0030vu

clutch centering tool

1987 RS Engine small renovation Img0032ha

differences between old and new timing chain
(new - bottom, old - top):
1987 RS Engine small renovation Img0034yi

new - left, old - right:

1987 RS Engine small renovation Img0037v

bon appetit Smile

http://tchorzewski.net
    

15Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 3:06 am

Guest

avatar
Guest
Nice work, Lifeguard! It's good to see the photos of a job done thoroughly.

    

16Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 4:04 am

K-BIKE

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Life time member
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You are the MAN!,
Excellent work,
Regards,
K-BIKE

    

17Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 4:52 am

LifeGuard

LifeGuard
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Silver member
this is just the beginning Smile

more pictures soon...

I start to make the engine at the weekend

http://tchorzewski.net
    

18Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 6:42 am

BIG D

BIG D
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Cool

Very well done LifeGuard,
first class pictures look forward to the next installment.

BIG D

    

19Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 14, 2011 11:56 am

Oldgoat

Oldgoat
Life time member
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Outstanding work so far Lifeguard. Keep it coming!

OG

    

20Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sun Apr 17, 2011 4:14 pm

LifeGuard

LifeGuard
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Silver member
another set of photos from weekend:

I started assemble a water pump
my inspiration:
http://hrsbstaff.ednet.ns.ca/bvogel/K100/oil_pump/oil-pump-seals-replacement.htm

1987 RS Engine small renovation Img0039xl

1987 RS Engine small renovation Img0041rii

1987 RS Engine small renovation Img0044cj

cleaning the engine:
1987 RS Engine small renovation Img0048xi

1987 RS Engine small renovation Img0049j

1987 RS Engine small renovation Img0052q

setting timing chain:

1987 RS Engine small renovation Img0053iz

1987 RS Engine small renovation Img0054xv

1987 RS Engine small renovation Img0055ep

setting housing with sealant:

1987 RS Engine small renovation Img0056twt

1987 RS Engine small renovation Img0057fl

1987 RS Engine small renovation Img0061ez

1987 RS Engine small renovation Img0062yx

1987 RS Engine small renovation Img0063nh

1987 RS Engine small renovation Img0065zt

1987 RS Engine small renovation Img0066ko

1987 RS Engine small renovation Img0067zz

replacement alternator carbon brush:

1987 RS Engine small renovation Img0068t

1987 RS Engine small renovation Img0073he

1987 RS Engine small renovation Img0075e

1987 RS Engine small renovation Img0077hq



1987 RS Engine small renovation Img0078ks

differences between old and new alternator clutch rubber:

1987 RS Engine small renovation Img0080mt

1987 RS Engine small renovation Img0081gi

I destroyed output shaft seal at the end of today work. I have to order new one... f#ck :/
$ 30 USD I'm in the back

1987 RS Engine small renovation Img0082gl

enjoy photos, more soon Smile

http://tchorzewski.net
    

21Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Sun Apr 17, 2011 5:20 pm

Oldgoat

Oldgoat
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Just outstanding Lifeguard! Very Happy Keep up the excellent work!!

OG

    

22Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Mon Apr 18, 2011 6:46 am

blaKey

blaKey
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We love photos!

Brilliant LifeGuard!


__________________________________________________
Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

23Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed Apr 27, 2011 5:27 pm

LifeGuard

LifeGuard
Silver member
Silver member
next photos...

I made special tool for embedding sealer:

1987 RS Engine small renovation Img0084g

1987 RS Engine small renovation Img0083n


1987 RS Engine small renovation Img0086ye

BMW has developed a new type of sealant, I hope that a more persistent.
It seems that these new sealers hurt less shafts, because they are delicate.

1987 RS Engine small renovation Img0090ja

1987 RS Engine small renovation Img0089sn

1987 RS Engine small renovation Img0096ol

cluth mounting:

1987 RS Engine small renovation Img0099or

1987 RS Engine small renovation Img0102et

1987 RS Engine small renovation Img0101xy

old contact spring:

1987 RS Engine small renovation Img0108bk

new one:

1987 RS Engine small renovation Img0106v

pump:

1987 RS Engine small renovation Img0103ng

1987 RS Engine small renovation Img0104vh

1987 RS Engine small renovation Img0105xd

polishing exhaust:

1987 RS Engine small renovation Img0017q

1987 RS Engine small renovation Img0111bhy

1987 RS Engine small renovation Img0115fi

1987 RS Engine small renovation Img0118ec

1987 RS Engine small renovation Img0119ig

1987 RS Engine small renovation Img0120vsu

1987 RS Engine small renovation Img0121k

1987 RS Engine small renovation Img0122d

1987 RS Engine small renovation Img0116fs

1987 RS Engine small renovation Img0123bo

enjoy photos, more soon

http://tchorzewski.net
    

24Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed Apr 27, 2011 9:25 pm

krambo

krambo
Life time member
Life time member
I look forward greatly to the next installment Wink


__________________________________________________
1984 BMW K100RT, 1993 BMW K1100LTIC,1982 Kawasaki KZ1100 Spectre
"Aut viam inveniam aut faciam." 1987 RS Engine small renovation Uk-bmw12
http://www.its-personal.net
    

25Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 28, 2011 4:23 am

charlie99

charlie99
VIP
VIP
fantastic work lifeguard ......im impressed !!!


how did you polish the exhaust up ? ive never done it before ....have seen the results ...but would love to find out how ...

cheers


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O1987 RS Engine small renovation Au-log10
    

26Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 28, 2011 5:37 am

LifeGuard

LifeGuard
Silver member
Silver member
@charlie99 wrote:fantastic work lifeguard ......im impressed !!!


how did you polish the exhaust up ? ive never done it before ....have seen the results ...but would love to find out how ...

cheers

1987 RS Engine small renovation Img0017q

In the photo you can see the brown "abrasive wiper" this serves to remove major contaminants. Then I used sandpaper (400-600) dipped in oil. When I reached the clear matte metal the next step was polishing with paste. I used drill with felt tip...
Stainless steel polishes very nicely because it contains more than 13% chromium Smile

http://tchorzewski.net
    

27Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 28, 2011 6:02 am

charlie99

charlie99
VIP
VIP
lifeguard ...i had imagined something simillar ....working my way carefully to remove layers of "crud" to clean layers of metal.

i guess ill have to get some of that paste and a good felt pad for the drill .....thanks for replying ....


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O1987 RS Engine small renovation Au-log10
    

28Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 28, 2011 6:09 am

BIG D

BIG D
Life time member
Life time member
Cool

Great stuff lifeguard, brilliant work,

BIG D

    

29Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Thu Apr 28, 2011 7:49 am

blaKey

blaKey
Life time member
Life time member
How humbling...

I'm pretty chuffed if I change the spark plugs without cross threading them!

Excellent work LifeGuard!


__________________________________________________
Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

30Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed May 04, 2011 7:58 pm

LifeGuard

LifeGuard
Silver member
Silver member
I finaly made bike, there was a leak near the pump, I unscrewed and sealed better and screwed stronger.
There is no noise around clutch. mission acomplished

Photos in one place

http://tchorzewski.net
    

31Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed May 11, 2011 12:19 am

Oldgoat

Oldgoat
Life time member
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Really great work LifeGuard! What did you paint your oil sump with if I may ask?
Thanks,

OG

    

32Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed May 11, 2011 1:19 am

LifeGuard

LifeGuard
Silver member
Silver member
This is powder coating. As the car alloy rims are painted. Paint is chemically resistant and durable

http://tchorzewski.net
    

33Back to top Go down   1987 RS Engine small renovation Empty Re: 1987 RS Engine small renovation on Wed May 11, 2011 10:37 pm

Oldgoat

Oldgoat
Life time member
Life time member
I had a feeling you were going to say powder. It looks fantastic! Cool I've been trying to resist calling the shop here, but results like this make it hard to resist, lol!

OG

    

34Back to top Go down   1987 RS Engine small renovation Empty Nice Work on Thu Jan 17, 2013 9:12 pm

rotormotored

rotormotored
active member
active member
What great work you are doing, Lifegaurd. I hope my exhaust will shine like yours.
I also have a 1987 K100rs and I'm going to begin posting the whole experiance here for all of you see and comment on. I know there in much work to do but I think I've to the right place for this new project.
Ed

    

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