BMW K bikes (Bricks)

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1Back to top Go down    Fork oil capacity on Tue Sep 11, 2018 4:19 pm

nobbylon

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Can anyone give me a definitive fork oil amount for an Ď89 RS with forks showing S stamped on one fork top cap?
Is it 270-290, 325 or 355 per leg?
Iíve gone with 290 but feel it dives a little too willingly. It doesnít bottom out but I think it could do with some improvement.


__________________________________________________
R1100GS Feb 1995
K100RS July 1989
K100 Dec 1983†
R90s June 1975
R75/6 Feb 1976
F650GD May 2001
    

2Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 4:32 pm

Chocolate

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Hello!
Should be the Sport version.
290 will be fine, did you use 10w oil ?

Cheers


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Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

3Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 4:39 pm

nobbylon

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yes 290cc 10w Putoline.


__________________________________________________
R1100GS Feb 1995
K100RS July 1989
K100 Dec 1983†
R90s June 1975
R75/6 Feb 1976
F650GD May 2001
    

4Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 4:48 pm

Chocolate

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Your filling should be OK.
Besides 10w differs from brand to brand.


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

5Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 4:57 pm

nobbylon

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Yep agreed. I use Putoline in all my bikes and therefore hopefully get some consistency across the grades. Thanks for the info.


__________________________________________________
R1100GS Feb 1995
K100RS July 1989
K100 Dec 1983†
R90s June 1975
R75/6 Feb 1976
F650GD May 2001
    

6Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 5:04 pm

Chocolate

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Welcome and enjoy the ride


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

7Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 6:06 pm

Laitch

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Are you riding with the original OEM rear shock?


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1995 K75T 68,000 miles
    

8Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 9:42 pm

Chocolate

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No, my red bike has a red HAGON rear shock, the color fitted so nice Smile
The black bike has a WILBERTS shock.
I purchased them used from eBay.

The front is standard, the red 1991 bike has the old fichtel & Sachs fork and the black a Showa from 1992.
The springs are standard


Upss just realized you are NOT asking me Mr. Laitch !!
I just woke up at 3am and had to write ;-)

Your thinking could be right, the riding feeling could be related to the rear shock



__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

9Back to top Go down    Re: Fork oil capacity on Tue Sep 11, 2018 10:10 pm

Laitch

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@Chocolate wrote:Upss just realized you are NOT asking me Mr. Laitch !!
I just woke up at 3am and had to write ;-)
I should have used the Quote feature, Chocolate, to avoid confusion and leave your sleep undisturbed. Still, it's good to see two nice bikes in your capable hands.


__________________________________________________
1995 K75T 68,000 miles
    

10Back to top Go down    Re: Fork oil capacity on Wed Sep 12, 2018 12:38 am

nobbylon

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Itís a standard shock in good condition.


__________________________________________________
R1100GS Feb 1995
K100RS July 1989
K100 Dec 1983†
R90s June 1975
R75/6 Feb 1976
F650GD May 2001
    

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