BMW K bikes (Bricks)

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1Back to top Go down    Clutch Plate thickness on Sat Feb 07, 2015 5:29 pm

ShedBob

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Pulled the transmission out of my 1985 K100RT today. The clutch splines have never been lubed so I thought it was probably about time.
Looking at the clutch plate it measires 5mm across the friction surfaces. The Haynes manual says 4.5mm is the wear limit but mine is nearly on the rivet heads.
Wondering how thick a new one is ?
Really I'm just wondering if I should just replace the plate so it's good for another 30 years.

    

2Back to top Go down    Re: Clutch Plate thickness on Sat Feb 07, 2015 5:34 pm

Inge K.

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ShedBob wrote:Wondering how thick a new one is ?

5,5 mm.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down    Re: Clutch Plate thickness on Sat Feb 07, 2015 6:28 pm

ReneZ

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You're in there now, so renew it. Also do the engine output shaft seals and live happily ever after :-)


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Greetings from Florida! Having a 'new' K :cyclops: Surprised-o:

Rene


BMW K100 - 1985 (0030029)
BMW K1200GT - 2003 (ZK01223)
    

4Back to top Go down    Re: Clutch Plate thickness on Sun Feb 08, 2015 1:49 am

indian036

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+1 to ReneZ.

As a licensed mechanic I used to do a lot on cars. My rule of thumb was that if the engine and gearbox were separated, unless I had certain knowledge of a new clutch being put in recently, I put in a new one.

I haven't had my K apart that far yet, but when I do, I'll be doing what ReneZ has suggested.

Bill


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1985 K100RT Red. VIN 0028991K100RT ENG 104EA248523386
1985 K100RT Blue. VIN 0029036K100RT ENG 104EA25852071
1990 K100LT Black. VIN WB105060310190452
1984 K100RT White. VIN. 0023022K100RT ENG 104EA32848523
    

5Back to top Go down    Re: Clutch Plate thickness on Sun Feb 08, 2015 7:17 am

ShedBob

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Yeah I'd pretty much decided to put a new plate in anyway as it's such an awful job to get in there.
Don't want to do it again in a hurry.

    

6Back to top Go down    Re: Clutch Plate thickness on Sun Feb 08, 2015 7:24 am

indian036

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ShedBob wrote:Don't want to do it again in a hurry.
Exactly why I always changed it. Smile


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1985 K100RT Red. VIN 0028991K100RT ENG 104EA248523386
1985 K100RT Blue. VIN 0029036K100RT ENG 104EA25852071
1990 K100LT Black. VIN WB105060310190452
1984 K100RT White. VIN. 0023022K100RT ENG 104EA32848523
    

7Back to top Go down    Re: Clutch Plate thickness on Sun Feb 08, 2015 9:00 am

ReneZ

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It's not only the plate thickness that's important. How are the splines??


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Greetings from Florida! Having a 'new' K :cyclops: Surprised-o:

Rene


BMW K100 - 1985 (0030029)
BMW K1200GT - 2003 (ZK01223)
    

8Back to top Go down    Re: Clutch Plate thickness on Mon Feb 09, 2015 4:36 pm

ShedBob

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Splines are good Rene.
Alternator shaft seal is away though.

    

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