BMW K bikes (Bricks)

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1Back to top Go down    Engine flush advice wanted on Wed Apr 01, 2015 4:56 am

audibob

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Silver member
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Hi all,
the engine oil in my sight glass is very black although I changed it 5k ago. I would like to do an engine flush, are there any known problems doing this on these engines?
Thanks for any replies.
Bob


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Yamaha 90
Honda CD 175
Honda CB 360
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

2Back to top Go down    Re: Engine flush advice wanted on Wed Apr 01, 2015 7:22 am

klompy the grey brick

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VIP
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use a good synthetic with high detergent...for a couple of thousand K's


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KKlompy
1984 K100RS Silver VIN 0019026 Mitt eine Staintune Zorst.
1997 K1100LT Dark Grey VIN WB1052600W0237453.

Chassis number0019026
Vehicle code0503
SeriesK589
ModelK 100 RS 83 (0502 ( 0503 )
Body typeK 100 RS 83 (0502
Catalog modelECE
Production date1984 / 07
Engine0513)




    

3Back to top Go down    Re: Engine flush advice wanted on Wed Apr 01, 2015 7:36 am

92KK 84WW Olaf

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Life time member
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@Klompy the grey brick wrote:use a good synthetic with high detergent...for a couple of thousand K's

+1.

The oil does go black very quickly, partly because the oil and filter change does leave some oil in galleries around the engine and also because of the combustion process.


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1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 58,645 now 60,500miles
    

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