BMW K bikes (Bricks)

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gabriel


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Hi
I have two questions.

I've purchased an oil seal from Munich Motorcycles for the front enginecover behind the timing gear. It does not have the inner spring.
How do I install it? do I apply grease, oil prior to installation?

I also purchased the spring which covers the vacuum hose from the FPR to the throttle bodies. I purchased it from BMW. I noticed there are two springs, one wound onto theother.
Is this correct or have I been given two springs? The photos aren't detailed enough for me to make a comparison.
All replies appreciated.

Regards

Gabriel

    

rawdonball

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Platinum member
Platinum member
The Teflon design timing cover oil seal works without assistance of a spring. The book says soak in oil for two hours prior to installation on the shaft. The Teflon seals I've fitted have all had a light brown lip witha fine helical groove in the lip material so that the rotation direction for which it is designed will wind oil back towards the wet side. I.e. incorrect rotation direction will cause the unit to pump instead of seal


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'88 K100RT, '86 K75C, '05 Yamaha TTR250
    

robmack

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@gabriel wrote:I've purchased an oil seal from Munich Motorcycles for the front enginecover behind the timing gear. It does not have the inner spring.
How do I install it? do I apply grease, oil prior to installation?
Are you referring to Part #2 in this diagram?



If yes, then read Post #17 in this thread..

@gabriel wrote:I also purchased the spring which covers the vacuum hose from the FPR to the throttle bodies. I purchased it from BMW. I noticed there are two springs, one wound onto theother.
Is this correct or have I been given two springs?
How long are the springs individually? Normally these hose protection springs are a single unit.


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Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

gabriel


Silver member
Silver member
Hi

I've been doing some research and I'm even more confused.
PTFE oil seals if they are the oil seal I have are to be installed dry and a special tool should be used when installing the seal to avoid damaging the lip???.
The victorreinz website includes detailed info.Cheers

    

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