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Thread: R75/5 Cam seal replacement

  1. #1
    Registered User ebeeby's Avatar
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    R75/5 Cam seal replacement

    Anyone have a link handy for Cam Seal Replacement ? (I suck at the search function on this site)
    1973 R75/5

  2. #2
    Quote Originally Posted by ebeeby View Post
    Anyone have a link handy for Cam Seal Replacement ? (I suck at the search function on this site)
    I recommend a good Repair Manual: Factory, Haynes, Clymer etc.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  3. #3
    Liaison 20774's Avatar
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    Brook has a pictorial of his work on an R75/5:

    https://brook.reams.me/2013/09/06/19...camshaft-seal/
    Kurt -- Forum Liaison ---> 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!

  4. #4
    Fortis Fortuna Adiuvat Omega Man's Avatar
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    Some info on R60 here-
    https://forums.bmwmoa.org/showthread...in-frame-R60-6

    Found using the “Tag Cloud”.

    OM
    "You can do good or you can do well. Sooner or later they make you choose." MI5
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  5. #5
    Registered User ebeeby's Avatar
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    Quote Originally Posted by 20774 View Post
    Brook has a pictorial of his work on an R75/5:

    https://brook.reams.me/2013/09/06/19...camshaft-seal/
    Thanks - what I needed. Anyone have a video on how to time an R75/5 with a Dyna III (I think it's III) ignition?
    1973 R75/5

  6. #6
    Liaison 20774's Avatar
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    I was going to say I don't know of any videos...they weren't around went I installed mine. All I had were these instructions:

    https://w6rec.com/dyna-iii-ignition/

    Then I tried to find info on Dynatek's site but some of it seems to be removed.

    Try youtube...I searched Dyna III and a couple of videos showed up.

    Obviously, the Dyna III has dual pickups which sense the magnet that is embedded in the donut that is screwed to the shaft of the advance unit. I'm sure the instructions give some guidance to preliminary locate the donut and then you use the individual adjustment for each pickup. Seems like I fiddled a lot and used my timing light to view the timing marks. If I had double images, then I began to move each pickup to reduce the double images. If I'm not mistaken, as you look at the timing chest, the pickup on the your left is for the bike's right cylinder...kind of confusing, but I think you can see what I'm talking about. I recall starting the bike, note the images, shut off the bike, make an adjustment, restart the bike, check images. Repeat until you get a single image in the timing window.
    Kurt -- Forum Liaison ---> 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!

  7. #7
    Registered User ebeeby's Avatar
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    Quote Originally Posted by 20774 View Post
    I was going to say I don't know of any videos...they weren't around went I installed mine. All I had were these instructions:

    https://w6rec.com/dyna-iii-ignition/

    Then I tried to find info on Dynatek's site but some of it seems to be removed.

    Try youtube...I searched Dyna III and a couple of videos showed up.

    Obviously, the Dyna III has dual pickups which sense the magnet that is embedded in the donut that is screwed to the shaft of the advance unit. I'm sure the instructions give some guidance to preliminary locate the donut and then you use the individual adjustment for each pickup. Seems like I fiddled a lot and used my timing light to view the timing marks. If I had double images, then I began to move each pickup to reduce the double images. If I'm not mistaken, as you look at the timing chest, the pickup on the your left is for the bike's right cylinder...kind of confusing, but I think you can see what I'm talking about. I recall starting the bike, note the images, shut off the bike, make an adjustment, restart the bike, check images. Repeat until you get a single image in the timing window.
    Kurt - Thanks again, just what I needed.
    Eric
    1973 R75/5

  8. #8
    Registered User ebeeby's Avatar
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    All done, easy job. I wanted to pass along Matt Parkhouse's tip about drilling a small hole in old seal and using a screw to get the old seal out. Worked great since my seal puller couldn't reach the inset seal.
    1973 R75/5

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