BMW K bikes (Bricks)

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1Back to top Go down   Water in Final drive casing Empty Water in Final drive casing Sun Nov 25, 2012 6:08 am

coopz

coopz
active member
active member
When changing oil in final drive I noticed a white colour oil indicating water presence. I changed oil regardless after cleaning out inner casing. Theres is a small weep from casing near upper part of casing.next to disc rotor. Should I replace outer oil seal and large O ring many thanks in advance Coopz


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1985 K100 RS
    

2Back to top Go down   Water in Final drive casing Empty Re: Water in Final drive casing Sun Nov 25, 2012 6:16 am

Halo

Halo
Life time member
Life time member
Yes the orings compress with time and need replacing very cheap even from your local BMW shop
Halo


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84 K100RS 0014803
93 FZR1000 EXUP
    

3Back to top Go down   Water in Final drive casing Empty Re: Water in Final drive casing Sun Nov 25, 2012 7:40 am

Inge K.

Inge K.
VIP
VIP
Also check that the O-ring at bottom of the breather is undamaged, and the small hole in the breather is facing rearwards.

Early models didn`t have this O-ring (and small hole), and it was a problem with water entering the FD via the breather.

This mod was done somewhere late -84.

Water in Final drive casing Lufteh10


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

4Back to top Go down   Water in Final drive casing Empty Final Drive problem Mon Nov 26, 2012 12:32 am

coopz

coopz
active member
active member
Many thanks guys for replies I'll check that out Coopz


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1985 K100 RS
    

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