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Thread: 83 R100 RT external shift linkage parts question.

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  1. #1
    Registered User wvpc's Avatar
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    83 R100 RT external shift linkage parts question.

    I am in the process of winterizing my older RT. I had missed a couple of upshifts recently and while looking at the linkage I noticed the red spongy material that seals the heim joints on the external shift linkage is rotting away.

    .P1010929.JPG

    Online catalogs list the whole part(s) for sale for $55. I only need the red spongy seals (2). Does anyone know of a substitute part or material? The rest of the linkage is fine.
    12 R1200 RT
    83 R100 RT

  2. #2
    rabid reader dbrick's Avatar
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    The R1200R has a similar soft bushing in its shift linkage: part no. 35417674080, lists for $1.33.
    David Brick
    Santa Cruz CA
    2007 R1200R

  3. #3
    Registered User wvpc's Avatar
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    Thanks dbrick! It's worth a try.
    12 R1200 RT
    83 R100 RT

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    MonoRT MonoRT's Avatar
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    Back in the "old" days of bicycle hubs and bottom brackets with open bearings, people used to put a couple twists of fuzzy wire pipe cleaners around the axels to keep dirt and crud out of the bearings.

    Those fuzzy washers on my shift linkage broke down years ago. Since then, I run three turns of pipe cleaner with a drop or two of oil on them. Seems to keep the linkage joints pretty clean. Easy to replace whenever they get to looking too grungy. Craft stores still sell pipe cleaners - so do some tobacco shops.

  5. #5
    Registered User wvpc's Avatar
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    Amazing answer MonoRT. I have some pipe cleaners laying around. I'll try your suggestion first. THanks.
    12 R1200 RT
    83 R100 RT

  6. #6
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    While on this subject concerning the external shift linkage, has anyone got information on the little clips that go on each end, holding the Heim joints together?

    I don't need any, but the last two times I took mine apart, I dropped the little circular clip, but found it. I am afraid that I will one day need one, and want to do a little investigating beforehand.

  7. #7
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    Quote Originally Posted by dbrick View Post
    The R1200R has a similar soft bushing in its shift linkage: part no. 35417674080, lists for $1.33.
    This part number comes up as a "plastic bushing" which is different than the foam/felt protector that is on the R100's. I am wondering how much different?

  8. #8
    rabid reader dbrick's Avatar
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    Quote Originally Posted by jimmylee View Post
    This part number comes up as a "plastic bushing" which is different than the foam/felt protector that is on the R100's. I am wondering how much different?
    The descriptive words in the fiche are inaccurate; the part is described as "plastic bushing," but is actually a foam ring. I just bought three.
    Last edited by dbrick; 11-06-2013 at 09:04 PM.
    David Brick
    Santa Cruz CA
    2007 R1200R

  9. #9
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    Quote Originally Posted by dbrick View Post
    The descriptive words in the fiche are inaccurate; the part described as "plastic bushing" is actually a foam ring. I just bought three.
    Thanks, good to know!

  10. #10
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    Quote Originally Posted by 20774 View Post
    Jimmy -

    Do you have the stock linkage or has it been upgraded to the heim joint style? I didn't think the heim joint had the clips. My /7 has the accordion boot (torn slightly) along with an s-shaped wire and a bunch of other contraptions. I've heard Tom Cutter say several times that this setup should be replaced with the later version with the adjustable heim joint. His point is that the older style gets sloppy and results in poor/missed shifts and wearing of the internal dogs. The later linkage tightens up the shifting and reduces this issue inside the transmission. I haven't gotten around to making the switch.
    .P1010929.JPG

    If my computer skills work, this pic shows exactly what I have. Is this the better of the two you describe?

    To me, it seems pretty fool proof as long as it is lubricated and the foam/felt bushing is kept oil soaked to protect any water/dirt from contaminating.

    JL

  11. #11
    Administrator 20774's Avatar
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    Jimmy -

    That's the upgraded linkage. The best I can find are the following two posts. The first one is what I have with the boot...unfortunately, the bar/clips are hidden. The second one is what you have.

    http://www.bmwmoa.org/forum/showthre...l=1#post803559
    http://www.bmwmoa.org/forum/showthre...l=1#post803773
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

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