BMW K bikes (Bricks)

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1Back to top Go down   "Float" on floating discs Empty "Float" on floating discs Sun Apr 26, 2015 4:43 am

Big G

Big G
active member
active member
Good morning
(Well it is a beaut here down South today anyway)

How much "float" should the front discs on my K100RS have? They seem to be rather rattly?
I don't know if the bobbins may be worn (80 000 km), and was considering the installation of a wave washer to tighten things up a bit.
BTW: my discs have plenty of meat left, just on 4 mm thick, which makes me think that the PO had replaced them (possibly with ones which have larger fixing cut-outs?)

I also have lost one of the bobbins on the left-hand disc- where do I shop for these?

Cheers


__________________________________________________
1990 K100 RS (2015 - Current)
2005 R1150 GS - 35000 km (2007 - 2010)
1980 R80 GS - 28000 km (2005 - 2006)
2000 F650 GS - 102000 km (2000 - 2004)
1984 Suzuki Katana 750 - 72000 km (1984 - 1986)
1982 Suzuki DR500 - 48000 km (1982 - 1984)
    

2Back to top Go down   "Float" on floating discs Empty Re: "Float" on floating discs Sun Apr 26, 2015 6:12 am

RicK G

RicK G
admin
admin
Shouldn't get any rattle or movement you can feel. I found that there are quite a few brands of pads that rattle, I hear it more when I am turning tight when I go slowly. I bought some stainless bobbins from Motobins in UK.
I think that they should all have wave washers on them, I haven't seen any without them except for the non removable type like EBC.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

3Back to top Go down   "Float" on floating discs Empty Rattling discs Sun Apr 26, 2015 7:23 am

Big G

Big G
active member
active member
Thanks Rick
Then I am definitely due for a set of bobbins.
A mate is ordering some stuff from Motorworks, I see they also stock the S/steel bobbins. Will get some with his order.
Cheers,
Big G


__________________________________________________
1990 K100 RS (2015 - Current)
2005 R1150 GS - 35000 km (2007 - 2010)
1980 R80 GS - 28000 km (2005 - 2006)
2000 F650 GS - 102000 km (2000 - 2004)
1984 Suzuki Katana 750 - 72000 km (1984 - 1986)
1982 Suzuki DR500 - 48000 km (1982 - 1984)
    

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