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Thread: One left over bolt

  1. #1
    Bruce Toner
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    One left over bolt

    I recently did a clutch and slave cylinder replacement on a 2002 R1150RT. I read as much as I could beforehand on what could be the issues with my slipping clutch. As it turned out the transmission seal right next to the slave cylinder was letting tranny oil into the cavity next to the slave cylinder. Oncce the cavity approached half full the oil runs out along the pushrod and saturates the clutch. Common problem as I understand it. All went fairly well and I am almost completely assembled except for the plastic. I was disapointed to find that I have one M8 x 55mm long socket head cap screw that I do not have a home for. Hinde sight is 2020 I know.... I should have separated and bagged all of the fasteners on a per component basis and this would not have happened.

    Does any body know where I might find a clue to the where this bold might go? I have been over every inch of the bike and have not found it yet.

    Cheers!

    Bruce

  2. #2
    Registered User PAS's Avatar
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    Sorry to hear that. You wont sleep until you find out where it goes, as you should.

  3. #3
    Registered User David13's Avatar
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    You should not at all be concerned about any extra parts left over.
    I learned this in Mexico long ago.
    The bike runs, doesn't it?
    They put all kinds of extra parts on a car or bike.
    For instance, 5 wheel bolts. Why, when 3 will do.
    You should also be concerned about other sources, as well.
    You know, your wife could have gone down to the dealer and got one extra bolt or other part to throw out there. Sort of to be certain you had enough to put it back together. You know, she was helping you, in a way.
    Don't lose any sleep.
    dc

  4. #4
    Registered User mpmarty's Avatar
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    In our shop we have the opposite problem. The shop is haunted by a spook we call "Sam" and he must be part pack rat as on any job we always wind up short a few critical pieces.
    Marty - in the western Oregon mountains.'06RT, (gone '04RT, '86 Venture Royal, '81 Yamaha Virago920, '82Suzuki GS1100GK, '76 Suzuki GT750, Triumph 750 Bonneville, BSA Road Rocket 650, 61" Harley knucklehead)

  5. #5
    jeepinbanditrider
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    Congrats you just learned something new about wrenching on your own bike. If you put it back together and it runs, yet you have a few extra fastners you just made the bike lighter and more efficient.

  6. #6
    Bruce Toner
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    Talking

    I have to say I was chuckling reading the above posts. Lighter... yes, did I by mistakingly leave out one of those unnecessary fasteners... perhaps. But as PAS says... I will not sleep until I find where it is missing from.

    I was hoping somebody would say oh here is a site that lists every fastener in the entire bike and where they go. Hmmm, something to think about the next time I do a major teardown... maybe I'll create that list. Might be soon than later, I will not stop until I find out where that dam bolt goes.


    Cheers!

    Sleepless Bruce

  7. #7
    Outlander Omega Man's Avatar
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    Hi Bruce, I had sent you a Private Message about a couple of things- one was a Welcome to the forum! and another was the suggestion of going to the MAX BMW site and looking through the "exploded views" of the parts diagrams for your bike. Good luck. Gary
    "Well they say.. time loves a hero but only time will tell.. If he's real, he's a legend from heaven If he ain't he was sent here from hell" Lowell George
    2009 F800GS 1994 TW200
    Part of the Forum Threadside Assistance Program

  8. #8
    Lucky motorradmike's Avatar
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    Hi Bruce:

    M8 is the size that fastens the transmission to the engine, I think there are 6 and the 2 middle ones are about 55mm long.
    You should be able to see them without too much trouble.

    Just a guess but let the record show I tried to help, not like some of these other guys.
    Mike Marr
    1978 Yamaha XS750 (Needs rings), 1996 BMW R1100RS, 2004 Honda CRF230F

  9. #9
    Bruce Toner
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    Hey Gary thanks I will try that. I have been looking through the service manual I have but they don't do a very good job of showing all of the fasteners in the exploded views. Mike... thank you as well. That is the first place I looked. I definately installed all six in the transmission and torqued them. I am actually considering buying a scope camera to help me look into all of the little places I can see easily into.

    The one thing that is worth noting is the bolt is very clean which leads me think it is not close to engine and tranny location. Looked about as clean as the protected bolt used to hold the rear of the gas tank down. I am wondering if it is from the front somewhere?

    Keep the suggestions coming... now that the humour has subsided (which I did appreciate and get a chuckle from) the suggestions are awsome and appreciated.


    Cheers!

    Bruce

  10. #10
    aapasquale
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    extra bolt

    I think Omega Man has the right idea--you can also go to Bob's BMW site and go to the microfiche section and find your bike--they give all the parts for for whatever you may have removed/reinstalled as well as the sizes of all fasteners--this kind of stuff drives me nuts too!!!
    Tony
    by the way, I checked the microfiche and found that size bolt holding the transmission onto engine--you can take a look at microfiche #23_0869
    (couldn't find it anywhere else)
    Last edited by aapasquale; 02-16-2013 at 03:30 PM. Reason: additional info

  11. #11
    Benchwrenching PGlaves's Avatar
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    I, too, occasionally have a leftover something and need to find where it goes. Little screws are one category that I probably don't stress a lot about. But an M8 bolt is a significant fastener that I would hate to leave out just because. So joking aside - I suspect it is a transmission mounting bolt. Or a starter bolt.
    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://www.bigbend.net/users/glaves

  12. #12
    Registered User PAS's Avatar
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    I hope you didnt put all the tupperware on before you noticed it!

  13. #13
    Registered User
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    If the bolt size is really M8x55 it has to be one of the transmission mounting bolts. There are 4 of them x55 and 2 of them x75.
    Most likely one of the 2 at the very top of the trans, hard to see.

    Otherwise I would have guessed one of the frame bolts from the rear hinged frame that you have to raise to remove the trans. It's easy to miss one, especially near the hinge bolt itself. But none of the frame bolts seem to match your size exactly.
    --
    Doug Raymond
    R1150RT '02
    Ambler, PA

  14. #14
    Registered User m_stock10506's Avatar
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    If you can identify a BMW part number for that bolt, go to the parts fiche and instead of looking at your bike, do a search for that part number filtered for your bike only. That will give you every sub-system diagram where one of those bolts exists.

    http://www.maxbmwmotorcycles.com/fiche/PartsSearch.aspx
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  15. #15
    Rally Rat
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    Well hell, there's not that much stuff. Rear shock? Torque arm? Rear subframe?

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