BMW K bikes (Bricks)

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1Back to top Go down    Rear drive oil seal on Wed Feb 26, 2014 1:17 pm

JGT

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I am right in thinking that the rear drive oil seal and 'O' ring can be replaced without removing the whole bevel drive assembly from the bike? John


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1987 K75s  1969 Bultaco Matador
    

2Back to top Go down    Re: Rear drive oil seal on Wed Feb 26, 2014 1:24 pm

tgolden

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It might be possible, but I think it would be easier if you did. If your seal and o-ring need to be replaced, it might be prudent to do a complete disassembly, cleaning and inspection. Check out the video below.


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1985 K100RS USA Model WB1051300F0042533 - Original Owner
Delivery: 04/85 - Motorradhaus Ebert, Höchberg, Deutschland
    

3Back to top Go down    Re: Rear drive oil seal on Wed Feb 26, 2014 3:28 pm

MikeP

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Yes. It can. I've done it more than once.


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1992 K1
1993 K1100R (used to be an LT)
    

4Back to top Go down    Re: Rear drive oil seal on Wed Feb 26, 2014 3:56 pm

JGT

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Thanks, Will attack it this week end. John


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1987 K75s  1969 Bultaco Matador
    

5Back to top Go down    Re: Rear drive oil seal on Wed Feb 26, 2014 4:10 pm

sidecar paul

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Hi John,
If the cover is tight, this might help:

http://www.k100-forum.com/t3936-dismantling-the-bevel-box

Good luck,
Paul.


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'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015) 
....No CARS never ever!
    

6Back to top Go down    Re: Rear drive oil seal on Sat Mar 01, 2014 12:35 pm

JGT

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Job done. It needed heat an a few taps on the caliper mounting. My rear drive did not have the 10 mm taped hole, 1994 bike, perhaps deleted as a cost saving. 88,000 miles, is that the life expectancy for the seal? John


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1987 K75s  1969 Bultaco Matador
    

7Back to top Go down    Re: Rear drive oil seal on Sat Mar 01, 2014 4:36 pm

MikeP

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The Paralever cases don't have the tapped thread.


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1992 K1
1993 K1100R (used to be an LT)
    

8Back to top Go down    Re: Rear drive oil seal on Sun Mar 02, 2014 3:47 am

JGT

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My K75 isn't paralever.


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1987 K75s  1969 Bultaco Matador
    

9Back to top Go down    Re: Rear drive oil seal on Sun Mar 02, 2014 3:50 am

MikeP

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Just saying that at some stage they obviously stopped tapping one thread and as the Paralever models don't have it and the cover plates are the same, it was probably at that time that it was deleted.


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1992 K1
1993 K1100R (used to be an LT)
    

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