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Thread: Bolted up a used Ohlins rear on my R1100R today

  1. #1
    1998 R1100R SE ABS
    Join Date
    Sep 2016
    Location
    Kansas City, MO
    Posts
    44

    Bolted up a used Ohlins rear on my R1100R today

    While doing this I really noticed alot of oil around the final drive. I must have a leak somewhere there.

    I had picked up used Ohlins front and rear shocks from Parts Haus a while back, and thought I would get them rebuilt. Unfortunately the rebuild hasn't been in the budget. I expect I'll require a different spring.

    The front one has an obvious leak while the rear looks good. The rear is the one I really need, so I went ahead and swapped out just the rear shock today.

    I have not adjusted the preload yet. Not exactly sure how to do that, or if it's absolutely necessary. I figure I'll put a twist or two on the adjuster and take it for a spin and see how it handles bumps ...
    Last edited by tedsalt; 06-12-2018 at 03:25 AM.
    Ed
    1998 R1100R 75th Anniversary Special Edition w/ ABS

  2. #2
    1998 R1100R SE ABS
    Join Date
    Sep 2016
    Location
    Kansas City, MO
    Posts
    44

    first test ride results -

    I did notice a difference in ride.

    The old Showa just seemed plush until I hit a bump, and then if it was a good one, it would bottom out.

    The Ohlins is fairly firm. Maybe I need to back off the preload?

    I haven't notice the Ohlins bottom out yet. I haven't ridden two up yet either.

    I did also set the seat up to the highest setting (was mid).

    One other thing I did notice: We have a cr@ppy curb for our cr@ppy driveway, and when I rode over that at the end of the test ride it did not hit bottom.

    More to come ...
    Ed
    1998 R1100R 75th Anniversary Special Edition w/ ABS

  3. #3
    You adjust the pre-load by setting the sag.

    https://www.motorcyclenews.com/new-r...uspension-sag/
    Lee A. Dickinson - Danielsville, GA USA
    Airheads #3480 | Iron Butt Assn. #8914
    1976 R75/6 - 1992 R100RS - 1993 K1100RS - 2013 R1200GS

  4. #4
    MOA #24991 Pauls1150's Avatar
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    Apr 2008
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    south of Los Angeles
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    2,440
    Ohlins used to have their setup instructions on-line, but I couldn't find that pamphlet this morning. So, here ya go:
    Ohlins rear bm125.pdf

    Their springs tend to run a little on the stiff side when new, but age well.
    You'll notice a difference when you get around to swapping out the front, too.

  5. #5
    1998 R1100R SE ABS
    Join Date
    Sep 2016
    Location
    Kansas City, MO
    Posts
    44
    Quote Originally Posted by beemerphile View Post
    You adjust the pre-load by setting the sag.

    https://www.motorcyclenews.com/new-r...uspension-sag/
    Thanks Lee, I'll check that out
    Ed
    1998 R1100R 75th Anniversary Special Edition w/ ABS

  6. #6
    1998 R1100R SE ABS
    Join Date
    Sep 2016
    Location
    Kansas City, MO
    Posts
    44
    Quote Originally Posted by Pauls1150 View Post
    Ohlins used to have their setup instructions on-line, but I couldn't find that pamphlet this morning. So, here ya go:
    Ohlins rear bm125.pdf

    Their springs tend to run a little on the stiff side when new, but age well.
    You'll notice a difference when you get around to swapping out the front, too.
    Thanks Paul

    Actually the R1100R uses a BM634 front and BM635 rear and I have downloaded the PDFs for those. I'll dig into those and Lee's link when I have some time. I did reference the BMW install doc to determine where to mount the preload adjuster. Not the best spot (above the muffler), but it works.
    Last edited by tedsalt; 06-13-2018 at 03:26 AM.
    Ed
    1998 R1100R 75th Anniversary Special Edition w/ ABS

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