BMW K bikes (Bricks)

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1Back to top Go down   Timing Chain Empty Timing Chain on Sat May 17, 2014 10:36 am

Ballsy

Ballsy
active member
active member
G,day guys,,,

Put a few hundred K,s on the bike today and coming home there was a kinda screeching noise coming from the water/oil pump area, so have decided to order the bits and replace all in there.
What I wanted to ask is what does everyone do about the timing chain , change it at an interval or wait till it gets noisy , I thought I might change mine while I,m doing the pump,, any thoughts

Cheers Ballsy

    

2Back to top Go down   Timing Chain Empty Re: Timing Chain on Sat May 17, 2014 10:45 am

Dale S

Dale S
Silver member
Silver member
The BMW timing chains are usually long lived and will go many miles
If you do go in there check the plastic chain guides for wear and cracks, chips, or missing sections. that is the weak point IMO.


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

3Back to top Go down   Timing Chain Empty Re: Timing Chain on Sat May 17, 2014 8:31 pm

RicK G

RicK G
VIP
VIP
BMW say to change the chain at 60k intervals but I and many others here have found that the tensioners are the main thing to watch as Dale has said. Age seems to be the enemy there more than anything else.
To check if the chain needs replacing I turn the engine in the direction of rotation then with the top run of the chain tight check to see if the chain will lift away from the sprocket midway between where the chain meets the sprocket and where it leaves. If you can get the chain to lift away there replace it. Do that a few times to make sure I have been caught when the engine moved backwards slightly on compression and the chain was a bit slack. Now if you know anyone that needs a chain kit for a K1100 remember I have a spare. Very Happy 
My experience tells me that the chain usually only suffers when the engine has been run while the tensioners aren't or can't do the job.


__________________________________________________
"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 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

4Back to top Go down   Timing Chain Empty Re: Timing Chain on Sat May 17, 2014 10:52 pm

Ballsy

Ballsy
active member
active member
@RicK G wrote:BMW say to change the chain at 60k intervals but I and many others here have found that the tensioners are the main thing to watch as Dale has said. Age seems to be the enemy there more than anything else.
To check if the chain needs replacing I turn the engine in the direction of rotation then with the top run of the chain tight check to see if the chain will lift away from the sprocket midway between where the chain meets the sprocket and where it leaves. If you can get the chain to lift away there replace it. Do that a few times to make sure I have been caught when the engine moved backwards slightly on compression and the chain was a bit slack. Now if you know anyone that needs a chain kit for a K1100 remember I have a spare. Very Happy 
My experience tells me that the chain usually only suffers when the engine has been run while the tensioners aren't or can't do the job.

Thanks for the info Rick

Cheers Ballsy

    

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