R1100 Splines

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R1100 Splines

Post by keng on Fri Feb 06, 2009 11:36 am

I'm getting deep into mid-winter maintenance and wondering if I should re-lube the splines on my R1100RT (1998 with 60,000 kms and unknown maintenance). It looks like quite a job to lube the transmission splines, since I need to remove the back end and fold up the frame to back off the transmission. Has anyone done this themselves, and is it even advisable? I seem to see differing opinions on the listserves. Lubing the rear drive splines looks much more practical so I'll definitely do that.

Ken
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Re: R1100 Splines

Post by TREE on Fri Feb 06, 2009 11:55 am

Not sure if the 98 models had many issues with input shaft splines....
At 60K you may want to wait until you need a new clutch job before you take it apart.
I have a CD tutorial here showing how to do an RT if you need it Ken.

There was some investigative work on the net (maybe ADV) pointing to a problem with the front transmission casting. Some bikes had a front plate that came from the supplier to Getrag with bolt holes drilled slightly offset. That was measured at 50 thou on one bike with a spline failure !
This causes the tranny to line up offset to the clutch female drive splines which chew a circle around the tranny
input shaft and generally start messing with the input splines.

My 1994 RS got a new clutch at 100K kms and the splines were pristine even though there was not a lot of lube there.
I used Honda spline lube for all 3 splines back to the rear drive.
If you search ADV and bmwrt.com for " splines " in topics you may get some better ideas on the years that were more affected.
Some good ones are HERE
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Re: R1100 Splines

Post by keng on Fri Feb 06, 2009 9:43 pm

Thanks Tree. Looks like more postings re 1150's than 1100's. Maybe I'll wait until I have to replace my clutch before venturing to the centre of the earth:-). Will take a good look at my tranny oil when I change it.

Would love to take a look at your DVD if possible though. There's lots I don't know yet!
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Re: R1100 Splines

Post by TREE on Fri Feb 06, 2009 11:47 pm

Oops, looks like I loaned it to someone. Will try to track it down.
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Re: R1100 Splines

Post by keng on Sat Feb 07, 2009 8:24 am

Oh boy, do I know that feeling:-) "Now I loaned it to someone, but who?" On the bright side, it means you have lots of friends:-)
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Re: R1100 Splines

Post by TREE on Sun Feb 08, 2009 6:24 pm

I have one for you now. Smile
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