BMW K bikes (Bricks)

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1Back to top Go down   Water pump seal  Empty Water pump seal on Fri Dec 01, 2017 10:00 pm

Matthew-Brisbane

Matthew-Brisbane
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Good Morning All 

I'm up for the water pump seal change and have been reading the different threads about how to go about it 

I have read in many of the threads that the first time around you normal stuff one of the seal 

Is it the waterside seal that people stuff up on or is it the oil side?

Just want to get an extra seal once I place my order with Motor-bin so I don't have to wait for the three week delivery over Xmass

    

2Back to top Go down   Water pump seal  Empty Re: Water pump seal on Fri Dec 01, 2017 10:14 pm

Inge K.

Inge K.
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@Matthew-Brisbane wrote:
Is it the waterside seal that people stuff up on or is it the oil side?


Water, as it has delicate ceramic internals.


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

3Back to top Go down   Water pump seal  Empty Re: Water pump seal on Sat Dec 02, 2017 1:30 am

charlie99

charlie99
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as Inge say the water side is often the issue


but more importantly , its a matter of digging out the oil side seal , completely , many just don't go deep enough and leave fragments of seal behind the support ring which is almost at the face of the full seal but not quite ,  you need to see base aluminium . and a full view of the breather hole that exits through the housing , down at the sump area

Water pump seal  Pics_010

washers over the shaft will let you pull the shaft through the water seal safely with the bolt on the front of the shaft

if you have the earlier model water pump with the thread extruding from the shaft rather than the internally threaded shaft  could pose another issue

so 86 and later should be ok for this .but early 86 ....well I had an old version installed ...enough said . but thanks to alby .we had a saviour replacement phew ...back on the road in a day .


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWater pump seal  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 ..
    

4Back to top Go down   Water pump seal  Empty Re: Water pump seal on Sat Dec 02, 2017 5:31 am

Matthew-Brisbane

Matthew-Brisbane
Life time member
Life time member
Thanks Inge, Charlie 

Its the old cast iorn impleller type 

So i will be up for the new gear and shaft as well 

Charlie as your in brisbane do you know if Bm workshop do exchange ?

    

5Back to top Go down   Water pump seal  Empty Re: Water pump seal on Sat Dec 02, 2017 5:50 am

Inge K.

Inge K.
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@Matthew-Brisbane wrote:

Its the old cast iorn impleller type 

So i will be up for the new gear and shaft as well 

You would also need a stamped impeller and spacer, as the seal isn't compatible
with the cast iron impeller.


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

6Back to top Go down   Water pump seal  Empty Re: Water pump seal on Sat Dec 02, 2017 6:07 am

MartinW

MartinW
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You can ring him but as he is now a one man show, it can take quite a few calls to get him. If he is working on something he won't answer the phone. I believe he will rebuild your own pump if you take it in, I don't know whether he will do an exchange, but it won't hurt to call.http://bmshop.com.au/
Regards Martin.

    

7Back to top Go down   Water pump seal  Empty Re: Water pump seal on Sat Dec 02, 2017 6:53 am

charlie99

charlie99
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Mathew

I think all ks up to 89-90 and some later with the 8 valve motor had the cast impeller

the newer style impeller came about with the production of the 16 valve versions I believe ...I could be wrong  , but would make sense to me

so with this newer part available  all production of the old stuff would have ceased

the kit from motobins is about 60 aussie sheckles including the new style impeller

but the important part is to prise off the cover and inspect the shaft fitting , either nut or bolt type ,  what year model do you have again ?

ill have a look around but I don't think I have a good shaft ...have a good body ready  but that's it

chris can be notoriously unavailable at times ,as martin says ,  and I think he does do an exchange service , but I'm afraid I would hate to guess what price he may charge for the parts alone .  but would be glad to be proved wrong .
 I believe motoworks do an exchange service as well but at 150 pounds plus deposit and freight might be worth while thinking again


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWater pump seal  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 ..
    

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