BMW K bikes (Bricks)

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rqde

rqde
New member
New member
I just got around to removing the final drive off my 88 k100lt (103.000 km), and now I need some advice. How bad are these?

Also, I've been looking into replacement options.. motobin has a weldon option for the drive shaft, does something like that exist for the final drive too?

Assessment of spline / final drive + what are my options if need be 20190716
Assessment of spline / final drive + what are my options if need be 20190717

    

moriarti

moriarti
Silver member
Silver member
Hi it is difficult to say from the photos,may i suggest that you clean them until they are SPOTLESS and then fit together and check for Lash in the fit.At this milage excessive wear is unlikely.Following the dry fit, grease and refit,This is providing you found NO heavy surface damage after they were cleaned.Good luck Very Happy Very Happy


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1984 k100 rs red/black VIN  0004449
    

Crazy Frog

Crazy Frog
admin
admin
The spline on the driveshaft are at the end of their life. Embarassed Crying or Very sad Mad
The splines on the final drive look OK. I believe that the splines on the FD are harder than the ones on the driveshaft and they don't wear as much.
Don't expect to ride more than 10k with this shaft.


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Assessment of spline / final drive + what are my options if need be Frog15Assessment of spline / final drive + what are my options if need be Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Assessment of spline / final drive + what are my options if need be Dscn3312
When taking photos of splines, you want to get the top surface of the spline illuminated to show it's width as that is where the wear shows up best(or worst).Assessment of spline / final drive + what are my options if need be Dscn3310
Assessment of spline / final drive + what are my options if need be Dscn3311


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Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

rqde

rqde
New member
New member
Thanks man, I'll remember that! I won't be home for a couple of days, but I'll snap some better ones when I get back.

    

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