BMW K bikes (Bricks)

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1Back to top Go down   Noise from forks Empty Noise from forks Tue Sep 10, 2013 3:59 am

OZhoppo

OZhoppo
active member
active member
I finally got to take the K100RS for a longish run on the weekend; about 500Ks in total.  She purred along beautifully, well at least until I discovered that the fuel warning light on a K100 is nothing like a Ducati's... when a BMW indicates it is time to fuel, it is !   The look on OZMaz's face when she came back to find me was priceless.

Anywho - on some of the roads the front end made a kinda clunking noise on rebound - almost like the springs were topping out and the forks were slapping back down onto them.  I have Ikon progressive springs in the front with NO spacer, as recommended by the supplier.   The forks appeared to be in good condition with no undue wear when I inspected them and changed the oil; the bearings are good and torqued down correctly.

Does the K100 normally have a noisy fork action ?

Hoppo

    

2Back to top Go down   Noise from forks Empty Re: Noise from forks Tue Sep 10, 2013 6:31 pm

jandalboy

jandalboy
Silver member
Silver member
Hi Hoppo.My 4valve rs does'nt have a noisey fork action and i had to use serious force on them  when i first got the bike as the stanchions were jammed in the sliders by a bush .


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1990 k100rs low seat.
    

3Back to top Go down   Noise from forks Empty Re: Noise from forks Tue Sep 10, 2013 8:41 pm

RicK G

RicK G
admin
admin
I have never noticed any clunk except for loose head bearings once


__________________________________________________
"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 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

4Back to top Go down   Noise from forks Empty noise from forks Tue Sep 10, 2013 10:44 pm

Dale S

Dale S
Silver member
Silver member
Hi Ozhoppo!
 Sometimes Big Reds fairing rattles/clunks over really rough roads.
A fix is in order when I paint her this winter.
have you checked yours? It could sound like it comes from the forks. 
roundel


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1990 BMW K100LT
 2003 BMW 540i
 1998 Ford f-150
    

5Back to top Go down   Noise from forks Empty Re: Noise from forks Wed Sep 11, 2013 12:07 am

charlie99

charlie99
VIP
VIP
there is another source of noise as well
associated with the  through tripple tree brake line (y adaptor under the forks lower bridge )...
they often rattle inside the verticle tube of the fork pivot

there is a fix


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%ONoise from forks Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

6Back to top Go down   Noise from forks Empty Re: Noise from forks Thu Sep 12, 2013 1:07 pm

Guest

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I had clunking noises from the forks. Ended up being a broken spring and a hand full of these stuffed in the top.

hmmm, maybe these broke the spring  cheers 

Noise from forks Quickfix

    

7Back to top Go down   Noise from forks Empty Re: Noise from forks Fri Sep 13, 2013 12:00 am

jandalboy

jandalboy
Silver member
Silver member
Found something similar in my forks.After fitting new bushes and seals i put them back in.Figured some one must have put them in for a reason.The spacer may have been trimmed,don't know as it was the first time i have dismantled a set of forks.They perform fine and if i ever get broke i can always pull the forks apart and get the 20 cents back.


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1990 k100rs low seat.
    

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