BMW K bikes (Bricks)


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TIV

TIV
Silver member
Silver member
The F-D I got from Motorworks is basically in good condition. Splines, pinion and crown wheel are excellent. Among the stuff I got from the Police when I bought the bike were the crown wheel input roller bearing and the big crown wheel output bearing (OEM), as well as an output seal. 

Since the big roller bearing has developed slight roughness and a tiny amount of a play, I decided to use the opportunity to change both bearings and the output seal, as well as paint the housing and tidy everything up.

When I pulled off the roller bearing I damaged the adjusting shim behind it. There should be no need to re-shim the drive if I use the OEM bearings I have got, the big original adjusting shim (nr. 2 in diagram) and the same thickness shim (nr. 4 in diagram) in place of the one I damaged.

When I measure the damaged shim with an accurate Calliper,  I measure it 2,360 where it is thinnest and 2,400 where it is thickest. From this I drew the conclusion that it originally must have been 2,400. 


F-D crown wheel input bearing adjusting shim 10_zpsb1d3caa1



Last edited by TIV on Sat Feb 08, 2014 7:25 pm; edited 1 time in total (Reason for editing : typing error)


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1936 Harley Davidsson 750 (sold), 1964 BMW R69S (sold), 1973 Suzuki RM400 (sold), 1972 Triumph Bonneville (sold), 1971 BSA Thunderbolt (sold), 1972 BSA Lightning (sold), 1977 Yamaha XS650 (sold), 1971, BMW R75/5 (sold), 1973 BMW R75/6 (sold), 1984 BMW R100RT 1992 Yamaha FJ1200 ABS (sold), 1990 Harley Davidson Electra Glide (sold)
1990 BMW K75RT Ex-Police (owned now)
2004 BMW R1150RT iABS (owned now)

Cheers TIV
    

K75cster

K75cster
Life time member
Life time member
Sounds entirely feasible, though the bmw workshop manual section 33 pages 14 and 15 will help clear the possibility that there is variance between the old and new bearing, allowing you to check backlash.


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Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

TIV

TIV
Silver member
Silver member
K75cster wrote:Sounds entirely feasible, though the bmw workshop manual section 33 pages 14 and 15 will help clear the possibility that there is variance between the old and new bearing, allowing you to check backlash.
I have the BMW Manual, but only in German. Unfortunately I don´t understand a word in German. So if anyone has these pages scanned in his/hers computers I would really be appreciate if the same person would come forward.
 Smile 
I have a "new" drive with excellent splines and a mint shaft. Both will last "forever" with proper maintenance. It would be a shame to mess it up.


__________________________________________________
1936 Harley Davidsson 750 (sold), 1964 BMW R69S (sold), 1973 Suzuki RM400 (sold), 1972 Triumph Bonneville (sold), 1971 BSA Thunderbolt (sold), 1972 BSA Lightning (sold), 1977 Yamaha XS650 (sold), 1971, BMW R75/5 (sold), 1973 BMW R75/6 (sold), 1984 BMW R100RT 1992 Yamaha FJ1200 ABS (sold), 1990 Harley Davidson Electra Glide (sold)
1990 BMW K75RT Ex-Police (owned now)
2004 BMW R1150RT iABS (owned now)

Cheers TIV
    

Inge K.

Inge K.
VIP
VIP
Flyingbrick is just a few clicks away.


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

TIV

TIV
Silver member
Silver member
Inge K. wrote:Flyingbrick is just a few clicks away.
Thanks Inge  Very Happy


__________________________________________________
1936 Harley Davidsson 750 (sold), 1964 BMW R69S (sold), 1973 Suzuki RM400 (sold), 1972 Triumph Bonneville (sold), 1971 BSA Thunderbolt (sold), 1972 BSA Lightning (sold), 1977 Yamaha XS650 (sold), 1971, BMW R75/5 (sold), 1973 BMW R75/6 (sold), 1984 BMW R100RT 1992 Yamaha FJ1200 ABS (sold), 1990 Harley Davidson Electra Glide (sold)
1990 BMW K75RT Ex-Police (owned now)
2004 BMW R1150RT iABS (owned now)

Cheers TIV
    

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