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Thread: 2017 R1200RT Cylinder Head Cover Install

  1. #1

    2017 R1200RT Cylinder Head Cover Install

    Hi Ya'll,

    Completed the 12K mile service last weekend. Rode the bike over the weekend and I think I noticed a small seepage of oil out of the cylinder head cover. Appears to be coming from the bottom. I will assess.

    When putting the cylinder head covers back on, you can install the twist pad and then the cylinder head cover gasket or the cylinder head cover gasket first and then the twist pad. Does it matter? Manual says put the cylinder head cover gasket on first then the twist pad.

    Any tips on making sure this interface seals properly?

    Thanks,

    KP

  2. #2
    I've done over 100 Cam and Valve services and find that unless you put the "twist protection" in place first, the tips of the rubber teeth on it don't seat correctly against the machined face of the mating surface.

    Pretty easy to pull off the cylinder head cover, remove both parts you are talking about and then installing the "twist protection" first.

    Hope this solves your small leak.

    Brad

  3. #3
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    You may find a cylinder leaks a little at the bottom if the round donut seal is installed facing the wrong way round.

  4. #4
    Registered User dlong's Avatar
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    What is this "twist protection" feature you speak of? I've replaced the covers a dozen or more times on various RTs without recognizing it. The only leak I encountered was caused by failure to see that gasket surrounding the spark plug opening had become misaligned.

  5. #5
    MOA #24991 Pauls1150's Avatar
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    Item 8 in this picture from the MAX site -
    Cyl Head.jpg

  6. #6
    MOA #24991 Pauls1150's Avatar
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    ...But there's nothing to show where it fits, and how it goes in - ?

    btw, I'm wondering if this thread's title is correct - aren't all of the 2017 RTs actually 1250?

  7. #7
    The 2017 is an 1200. I think the 1250 was introduced in 2018.

  8. #8
    Part 8 is the twist protection and it fits under the cylinder head by the #13 in the attached diagram. You push it up into the cylinder head from the bottom.

  9. #9
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    Quote Originally Posted by ebell View Post
    You may find a cylinder leaks a little at the bottom if the round donut seal is installed facing the wrong way round.
    Quote Originally Posted by dlong View Post
    The only leak I encountered was caused by failure to see that gasket surrounding the spark plug opening had become misaligned.
    Yep. Don't ask how I know...

  10. #10
    Registered User dlong's Avatar
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    Quote Originally Posted by potterke View Post
    Part 8 is the twist protection and it fits under the cylinder head by the #13 in the attached diagram. You push it up into the cylinder head from the bottom.
    OK...never knew that thing had a name but it's still unclear to me from what particular twist that thing is protecting me, or the bike.

  11. #11
    Old Rider - OK Mechanic 105258's Avatar
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    Valve cover leak

    I have done plenty of valve adjustments and when I see a small leak it it usually caused by oil from the head leaking on the seal surface. Then when you tighten the valve cover it seeps out and it appears as an oil leak. I clean the surface and the seal guide post holes making sure no residue oil exists before installing the seal.
    David Nicholls
    Teulon Manitoba - Canada

    2015 R1200GSA-LC

  12. #12
    Hi all,

    I removed the left hand side cylinder head cover and installed the "twist protection" first and then the gasket and buttoned her up. BTW, I did not see any evidence of oil in the spark plug tunnel and hence I concluded the donut gasket in the center of the head was in correctly. However, after running the bike, I still noticed oil seeping around the gasket on the bottom. No drips, the edges of the gasket are wet. On the top of the cylinder head, the gasket is proud (above the mating surfaces of the cylinder head), but it is not proud on the bottom of the head. Comments?

    I have not mentioned, when I bought this previously owned bike, it had the Machineart Moto head protectors on it. I have attached a photo of what I'm talking about. The aft bolt through the cover is not an OEM bolt, but a longer bolt that Machineart Moto supplies. Not sure if this is the culprit. However, I did not see oil weeping before I disasembled the head cover, but remember these head covers are on there tight and you have to help them off. So maybe when the Machineart Moto cover was applied, the cylinder head was on really tightly and was not an issue, don't know.

    I will try the same experiment on the right hand cylinder and see what happens. If the result is the same, the only thing I can think of is new gaskets.

    Comments are welcome,

    KP
    Attached Images Attached Images

  13. #13
    Registered User LFarling's Avatar
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    I think the MAM covers come with a bit longer cover bolts? You may need your OEM bolts.

    And the gaskets should be pretty even all the way around and I think it is due to you having longer bolts for the MAM covers and the gasket is not staying in place.
    The above is worth what you paid for it..........
    Lee 2017.5 R 1200 GSW

  14. #14
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by LFarling View Post
    I think the MAM covers come with a bit longer cover bolts? You may need your OEM bolts.

    And the gaskets should be pretty even all the way around and I think it is due to you having longer bolts for the MAM covers and the gasket is not staying in place.
    The one bolt needs to be longer because of extra thickness MAM cover.
    Even with the one long bolt they will all bottom out the same.
    Lee
    2022 R1250RS
    MOA # 30878
    Past BMW Bikes: 2016 R1200RS, 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  15. #15
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by potterke View Post
    but remember these head covers are on there tight and you have to help them off. So maybe when the Machineart Moto cover was applied, the cylinder head was on really tightly and was not an issue, don't know.


    KP
    They are not on there really tight. They'll stick and you may have to hit them with the heal of you hand or tap them with a rubber mallet to remove.
    When installing they take very little torque. 10NM
    Lee
    2022 R1250RS
    MOA # 30878
    Past BMW Bikes: 2016 R1200RS, 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

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