BMW K bikes (Bricks)

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1Back to top Go down   Replacing the sump Empty Replacing the sump on Sat Jun 01, 2019 6:51 pm

TheJoker

TheJoker
Silver member
Silver member
My k100 started leaking oil from the sump a few weeks ago. It was put off and then on Saturday last week the sump started chucking it out.

So the sump lid was pulled off and three bolts just fell out. So it was cleaned up three bonded then had the garage helicoil the threads.

However on one the tap snapped. Which we can't seem to get out and it's not sealing anymore.

So as I can't think of anyway to hold it on thinking of replacing the sump.

Just wondered if anyone has any idea of holding the sump on to seal the gap.


Or does anyone know what parts Ill need if I replace the sump. This obviously means removing the shaft and final drive. To get at the bolts behind the clutch and removing the water pump.

    

2Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 8:33 pm

MartinW

MartinW
Life time member
Life time member
See here for sump removalhttps://www.youtube.com/watch?v=WW6hAj8pgUU
Regards Martin.


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K75s Hybrid
    

3Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 8:43 pm

volador

volador
Silver member
Silver member
Replacing the sump Oilpan10
1 out of 13 of the fillister head screws #7 above is inoperable (broken tap)?


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1984 K100RS  1991 K100RS
    

4Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 8:57 pm

duck

duck
Life time member
Life time member
In theory, the sump box and engine block are mated at the factory around the output and the sump box is unique to each engine block.

That said, it's worth a try and worst case you can find another complete engine with not too many miles for an OK price.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

5Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 9:08 pm

volador

volador
Silver member
Silver member
Re-apply the 3-Bond 1184 sealant
Following the video. In the video 3-Bond 1194 has been replaced with 1184

1.lightly sand the mating surfaces and clean
2.apply your bead of 3-Bond
3.finger tighten the bolts in X-pattern
4.let sit over night to cure before final tightening to torque spec of 6 N/m, 4.5 ft/lb (book spec)


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1984 K100RS  1991 K100RS
    

6Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 10:43 pm

Laitch

Laitch
Life time member
Life time member
@TheJoker wrote:So the sump lid was pulled off . . . 
By sump lid, do you mean the oil pan? Was the oil leaking out of the seam between the oil pan and the sump block?


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1995 K75T 73,000 miles
Replacing the sump Usa-lo10
    

7Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sat Jun 01, 2019 11:09 pm

MartinW

MartinW
Life time member
Life time member
Three bolts, so I'm thinking oil filter cover. If he now has a broken oil filter cover bolt it would be easier to rectify with the removal of the sump cover.
Regards Martin.


__________________________________________________
K75s Hybrid
    

8Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sun Jun 02, 2019 4:54 am

TheJoker

TheJoker
Silver member
Silver member
@volador yes that is what I meant. The broken tap is stuck in exactly where number 7 is.


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My Bike List past to present so far;

Lexmoto (first bike ever to ride) , CB125 TDC 86 , CG125 89 , GN125 97 , ER5 96 , K100 RS 84

84/01 K100rs 0013627
    

9Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Sun Jun 02, 2019 7:23 am

Dai

Dai
Life time member
Life time member
I would try Volador's suggestion first as the cheapest and easiest. If you have a snapped-off tap in the engine block, then the only way that is going to come out is via spark erosion.

[Edit] Stupid comment about oil drainage deleted.


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

10Back to top Go down   Replacing the sump Empty Re: Replacing the sump on Mon Jun 03, 2019 6:50 pm

moriarti

moriarti
Silver member
Silver member
Having watched the sump removal video and seen how easy the job is looks as if your luck has changed for the better,I have made use of Spark Erosion on a few items with total success,best of luck.


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1984 k100 rs red/black VIN  0004449
    

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